{"id":2220,"date":"2015-04-24T02:35:08","date_gmt":"2015-04-24T02:35:08","guid":{"rendered":"http:\/\/fanzung.com\/?p=2220"},"modified":"2026-06-13T15:44:17","modified_gmt":"2026-06-13T15:44:17","slug":"ban-ve-vi-tri-dau-thanh-trong-chinh-ta-tieng-viet","status":"publish","type":"post","link":"https:\/\/dongson.info\/?p=2220","title":{"rendered":"B\u00c0N V\u1ec0 V\u1eca TR\u00cd D\u1ea4U THANH TRONG CH\u00cdNH T\u1ea2 TI\u1ebeNG VI\u1ec6T"},"content":{"rendered":"

\u00a0<\/strong><\/p>\n

    \n
  1. V\u1ec1 cu\u1ed9c \u201cc\u00e1ch m\u1ea1ng ch\u00ednh t\u1ea3\u201d c\u00e1ch b\u1ecf d\u1ea5u tr\u00ean c\u00e1c v\u1ea7n OA, OE, UY
    \n<\/strong>
    \nC\u00e1ch \u0111\u00e2y 4-5 n\u0103m ng\u01b0\u1eddi vi\u1ebft th\u1eed \u201cg\u00fac\u201d (Google) m\u1ed9t s\u1ed1 t\u1eeb \u0111\u1ec3 ki\u1ec3m tra k\u1ebft qu\u1ea3 cu\u1ed9c c\u1ea3i c\u00e1ch ch\u1eef vi\u1ebft h\u00ecnh nh\u01b0 do nh\u00f3m l\u00e0m ph\u1ea7n m\u1ec1m BKED kh\u1edfi x\u01b0\u1edbng h\u01a1n 30 n\u0103m tr\u01b0\u1edbc, v\u1ec1 quy t\u1eafc b\u1ecf d\u1ea5u tr\u00ean c\u00e1c v\u1ea7n oa, oe, uy…<\/li>\n<\/ol>\n

    V\u00e0 \u0111\u00e2y l\u00e0 k\u1ebft qu\u1ea3:<\/p>\n

    Kho\u1ea3ng 23.500.000 k\u1ebft qu\u1ea3 (0,22 gi\u00e2y) cho “h\u00f2a b\u00ecnh”<\/p>\n

    Kho\u1ea3ng 8.780.000 k\u1ebft qu\u1ea3 (0,27 gi\u00e2y) cho “ho\u00e0 b\u00ecnh”<\/p>\n

    Kho\u1ea3ng 6.970.000 k\u1ebft qu\u1ea3 (0,21 gi\u00e2y) cho “th\u1ecfa m\u00e3n”<\/p>\n

    Kho\u1ea3ng 2.860.000 k\u1ebft qu\u1ea3 (0,23 gi\u00e2y) cho “tho\u1ea3 m\u00e3n”<\/p>\n

    Kho\u1ea3ng 1.400.000 k\u1ebft qu\u1ea3 (0,15 gi\u00e2y) cho “gi\u1ea3i t\u1ecfa”<\/p>\n

    Kho\u1ea3ng 1.440.000 k\u1ebft qu\u1ea3 (0,22 gi\u00e2y) cho “gi\u1ea3i to\u1ea3”<\/p>\n

    Kho\u1ea3ng 1.770.000 k\u1ebft qu\u1ea3 (0,27 gi\u00e2y) cho “kh\u1ecfe m\u1ea1nh”<\/p>\n

    Kho\u1ea3ng 1.990.000 k\u1ebft qu\u1ea3 (0,28 gi\u00e2y) cho “kho\u1ebb m\u1ea1nh”<\/p>\n

    Kho\u1ea3ng 576.000 k\u1ebft qu\u1ea3 (0,33 gi\u00e2y) cho “tung t\u00f3e”<\/p>\n

    Kho\u1ea3ng 224.000 k\u1ebft qu\u1ea3 (0,36 gi\u00e2y) cho “tung to\u00e9”<\/p>\n

    Kho\u1ea3ng 565.000 k\u1ebft qu\u1ea3 (0,34 gi\u00e2y) cho “m\u00e1nh kh\u00f3e”<\/p>\n

    Kho\u1ea3ng 135.000 k\u1ebft qu\u1ea3 (0,27 gi\u00e2y) cho “m\u00e1nh kho\u00e9”<\/p>\n

    Kho\u1ea3ng 1.890.000 k\u1ebft qu\u1ea3 (0,16 gi\u00e2y) cho “t\u00f9y \u00fd”<\/p>\n

    Kho\u1ea3ng 452.000 k\u1ebft qu\u1ea3 (0,40 gi\u00e2y) cho “tu\u1ef3 \u00fd”<\/p>\n

    Kho\u1ea3ng 165.000 k\u1ebft qu\u1ea3 (0,27 gi\u00e2y) cho “th\u00e0nh l\u0169y”<\/p>\n

    Kho\u1ea3ng 92.800 k\u1ebft qu\u1ea3 (0,34 gi\u00e2y) cho “th\u00e0nh lu\u1ef9”<\/p>\n

    Kho\u1ea3ng 437.000 k\u1ebft qu\u1ea3 (0,32 gi\u00e2y) cho “ti\u1ec1u t\u1ee5y”<\/p>\n

    Kho\u1ea3ng 94.800 k\u1ebft qu\u1ea3 (0,32 gi\u00e2y) cho “ti\u1ec1u tu\u1ef5”<\/p>\n

    Kho\u1ea3ng 80.700 k\u1ebft qu\u1ea3 (0,22 gi\u00e2y) cho “t\u00fay l\u00fay”<\/p>\n

    Kho\u1ea3ng 26.000 k\u1ebft qu\u1ea3 (0,29 gi\u00e2y) cho “tu\u00fd lu\u00fd”<\/p>\n

    Kho\u1ea3ng 246.000 k\u1ebft qu\u1ea3 (0,22 gi\u00e2y) cho “l\u0169y k\u1ebf”<\/p>\n

    Kho\u1ea3ng 386.000 k\u1ebft qu\u1ea3 (0,36 gi\u00e2y) cho “lu\u1ef9 k\u1ebf”<\/p>\n

    \u2026<\/p>\n

    Ch\u1ecbu kh\u00f3 ph\u00e2n t\u00edch th\u1ea5y c\u0169ng c\u00f3 nhi\u1ec1u th\u00f4ng tin t\u1eeb c\u00e1c con s\u1ed1 kh\u00f4 khan c\u1ee7a Google:<\/p>\n

      \n
    1. C\u00e1c t\u1eeb c\u00e0ng ph\u1ed5 th\u00f4ng, c\u00e0ng c\u00f3 xu h\u01b0\u1edbng vi\u1ebft ki\u1ec3u c\u0169 nh\u01b0 \u201ch\u00f2a b\u00ecnh\u201d, \u201cth\u1ecfa m\u00e3n\u201d… C\u00e1c t\u1eeb \u00edt ph\u1ed5 th\u00f4ng c\u00f3 l\u1ebd l\u00e0m ng\u01b0\u1eddi vi\u1ebft ph\u00e2n v\u00e2n v\u1ec1 ch\u00ednh t\u1ea3 tr\u01b0\u1edbc khi vi\u1ebft n\u00ean xu h\u01b0\u1edbng vi\u1ebft ki\u1ec3u m\u1edbi l\u1ea1i th\u1eafng th\u1ebf nh\u01b0 \u201cgi\u1ea3i to\u1ea3\u201d… Tuy nhi\u00ean, c\u0169ng c\u00f3 ng\u01b0\u1eddi \u0111\u01b0a ra \u00fd ki\u1ebfn cho r\u1eb1ng \u201cKh\u00f4ng ph\u1ea3i v\u1eady, ng\u01b0\u1eddi ta quen vi\u1ebft ki\u1ec3u c\u0169, vi\u1ebft ki\u1ec3u m\u1edbi l\u00e0 v\u00ec t\u1eeb th\u1eddi m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn thay m\u00e1y ch\u1eef so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n, th\u00ec c\u00e1c b\u1ed9 g\u00f5 b\u1ecb \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh ki\u1ec3u g\u00f5 m\u1edbi, n\u00ean h\u1ecd bu\u1ed9c ph\u1ea3i theo th\u00f4i, v\u00ec s\u1eeda l\u1ea1i kh\u00e1 m\u1ea5t th\u00ec gi\u1edd, ch\u1ee9 kh\u00f4ng ph\u1ea3i th\u00edch ki\u1ec3u b\u1ecf d\u1ea5u m\u1edbi! …”<\/li>\n
    2. T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 lo\u1ea1i v\u0103n b\u1ea3n, c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c t\u00e1c ph\u1ea9m v\u0103n h\u1ecdc th\u01b0\u1eddng in theo ki\u1ec3u b\u1ecf d\u1ea5u c\u0169.<\/li>\n
    3. C\u00e1c t\u1eeb thu\u1ed9c nh\u00f3m t\u1eeb KHXH thi\u00ean v\u1ec1 ki\u1ec3u c\u0169 (v\u00ed d\u1ee5 75% cho t\u00fay l\u00fay)<\/li>\n
    4. C\u00e1c t\u1eeb nh\u00f3m t\u1eeb KHKT l\u1ea1i nghi\u00eang theo ki\u1ec3u m\u1edbi (v\u00ed d\u1ee5 61% cho lu\u1ef9 k\u1ebf)<\/li>\n
    5. Xu h\u01b0\u1edbng vi\u1ebft c\u00e2n \u0111\u1ed1i m\u1ef9 thu\u1eadt v\u1eabn c\u00f2n nhi\u1ec1u ng\u01b0\u1eddi \u1ee7ng h\u1ed9: k\u1ebft qu\u1ea3 v\u1ec1 ti\u1ec1u t\u1ee5y\/ti\u1ec1u tu\u1ef5 \u1edf tr\u00ean cho th\u1ea5y r\u00f5 l\u00e0 khi ki\u1ec3u vi\u1ebft m\u1edbi m\u1ea5t c\u00e2n \u0111\u1ed1i r\u00f5 r\u1ec7t th\u00ec t\u1ef7 l\u1ec7 \u1ee7ng h\u1ed9 r\u1ea5t th\u1ea5p (ch\u1ec9 c\u00f3 18% cho ti\u1ec1u tu\u1ef5). Khi c\u1eaft kh\u1ea9u hi\u1ec7u, b\u0103ng r\u00f4n treo ngo\u00e0i \u0111\u01b0\u1eddng ph\u1ed1 th\u00ec ch\u1eef r\u1ea5t to, v\u1ea5n \u0111\u1ec1 c\u00e2n \u0111\u1ed1i c\u0169ng th\u1ea5y r\u00f5 n\u00ean xu h\u01b0\u1edbng ch\u1ecdn ki\u1ec3u vi\u1ebft c\u0169 c\u0169ng th\u1eafng th\u1ebf, xem d\u1ea1ng font c\u1ee1 l\u1edbn \u1edf d\u01b0\u1edbi s\u1ebd hi\u1ec3u:<\/li>\n<\/ol>\n

      H\u00d2A<\/span> – HO\u00c0<\/span><\/strong><\/strong><\/p>\n

      V\u1edbi t\u00ecnh h\u00ecnh kh\u1ea3o s\u00e1t th\u1ed1ng k\u00ea \u1edf tr\u00ean, ng\u01b0\u1eddi vi\u1ebft tr\u1ed9m ngh\u0129 gi\u00e1 h\u1ed3i x\u01b0a ng\u01b0\u1eddi ta \u0111\u1eebng \u0111\u1ee9ng ra ph\u00e1t \u0111\u1ed9ng cu\u1ed9c c\u1ea3i c\u00e1ch v\u1ec1 d\u1ea5u tr\u00ean c\u00e1c v\u1ea7n oa, oe, uy th\u00ec bi\u1ebft \u0111\u00e2u ch\u00ednh t\u1ea3 ti\u1ebfng Vi\u1ec7t b\u00e2y gi\u1edd l\u1ea1i \u0111\u1ee1 l\u1ed9n x\u1ed9n h\u01a1n? Ng\u01b0\u1eddi vi\u1ebft t\u1eebng c\u00f3 d\u1ecbp trao \u0111\u1ed5i v\u1edbi c\u1ee5 Nguy\u1ec5n T\u00e0i C\u1ea9n, gi\u00e1o s\u01b0 \u0111\u1ea7u ng\u00e0nh ng\u00f4n ng\u1eef h\u1ecdc c\u1ee7a Vi\u1ec7t Nam, khi\u00a0 nh\u1eafc t\u1edbi v\u1ea5n \u0111\u1ec1 n\u00e0y, th\u00ec th\u1ea5y gi\u00e1o s\u01b0 c\u00f3 v\u1ebb kh\u00f4ng quan t\u00e2m v\u00e0 kh\u00f4ng b\u00ecnh lu\u1eadn \u0111\u00fang sai g\u00ec c\u1ea3.<\/p>\n

        \n
      1. Ph\u1ea3i ch\u0103ng thanh \u0111i\u1ec7u l\u00e0 <\/strong>\u0111\u1ed9c quy\u1ec1n <\/strong>c\u1ee7a ri\u00eang nguy\u00ean \u00e2m ch\u00ednh ?<\/strong><\/li>\n<\/ol>\n

        Cu\u1ed9c c\u1ea3i c\u00e1ch ch\u1eef vi\u1ebft tr\u00ean c\u00e1c v\u1ea7n OA, OE, UY d\u1ef1a v\u00e0o l\u1eadp lu\u1eadn v\u1ec1 nguy\u00ean \u00e2m ch\u00ednh, nh\u01b0ng ngay c\u1ea3 \u0111\u1ecbnh ngh\u0129a th\u1ebf n\u00e0o l\u00e0 \u201cnguy\u00ean \u00e2m ch\u00ednh\u201d c\u0169ng ch\u01b0a r\u00f5 r\u00e0ng, c\u0103n c\u1ee9 c\u01b0\u1eddng \u0111\u1ed9 (\u0111\u1ec1xi bel) hay tr\u01b0\u1eddng \u0111\u1ed9 (mili second) c\u1ee7a c\u00e1c nguy\u00ean \u00e2m, hay t\u1ed5 h\u1ee3p c\u1ea3 hai y\u1ebfu t\u1ed1 \u0111\u00f3 ? v\u00e0 c\u00e1c con s\u1ed1 th\u1ed1ng k\u00ea th\u00ec l\u1ea5y \u1edf ngu\u1ed3n n\u00e0o hay ch\u1ec9 d\u1ef1a v\u00e0o th\u00ednh gi\u00e1c ch\u1ee7 quan c\u1ee7a t\u1eebng ng\u01b0\u1eddi ?<\/p>\n

        Ch\u00fang ta th\u1eed ph\u00e2n t\u00edch:<\/p>\n

          \n
        1. Thanh \u0111i\u1ec7u v\u1ed1n l\u00e0 thu\u1ed9c t\u00ednh c\u1ee7a c\u1ea3 t\u1eeb ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u201c\u0111\u1ed9c quy\u1ec1n\u201d c\u1ee7a nguy\u00ean \u00e2m ch\u00ednh. Do qu\u00e1n t\u00ednh v\u1eadt l\u00fd c\u1ee7a b\u1ed9 m\u00e1y ph\u00e1t \u00e2m n\u00ean kh\u00f3 c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c thay \u0111\u1ed5i cao \u0111\u1ed9 c\u1ee7a t\u1eeb ch\u1ec9 trong kho\u1ea3ng th\u1eddi gian ng\u1eafn c\u1ee7a nguy\u00ean \u00e2m ch\u00ednh, n\u00ean c\u00e1c \u00e2m \u0111\u1ec7m tr\u01b0\u1edbc (-o-,-u-) v\u00e0 sau nguy\u00ean \u00e2m ch\u00ednh (nh\u01b0 -i \u1edf v\u1ea7n -ai, -oi) .v.v. h\u1eb3n nhi\u00ean c\u0169ng \u0111\u1ec1u tham gia v\u00e0o vi\u1ec7c th\u1ec3 hi\u1ec7n thanh \u0111i\u1ec7u.<\/li>\n
        2. H\u01a1n n\u1eefa, ngu\u1ed3n g\u1ed1c h\u00ecnh th\u00e0nh c\u1ee7a thanh \u0111i\u1ec7u Vi\u1ec7t c\u0169ng nh\u01b0 ti\u1ebfng H\u00e1n v\u1ed1n kh\u00f4ng n\u1eb1m \u1edf nguy\u00ean \u00e2m m\u00e0 l\u1ea1i n\u1eb1m \u1edf ph\u1ee5 \u00e2m, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u00e2m cu\u1ed1i. Ph\u00e1t hi\u1ec7n n\u00e0y do h\u1ecdc gi\u1ea3 ng\u01b0\u1eddi Ph\u00e1p Haudricourt n\u00eau ra d\u1ef1a tr\u00ean nghi\u00ean c\u1ee9u s\u1ef1 \u0111\u1ed1i \u1ee9ng thanh \u0111i\u1ec7u c\u1ee7a ti\u1ebfng Vi\u1ec7t trong c\u00e1c t\u1eeb g\u1ed1c M\u00f4n-Khmer v\u1edbi c\u00e1c ph\u1ee5 \u00e2m c\u1ed5 x\u01b0a c\u1ee7a c\u00e1c t\u1eeb \u0111\u00f3 c\u00f2n l\u01b0u gi\u1eef trong c\u00e1c ng\u00f4n ng\u1eef b\u00e0 con g\u1ed1c M\u00f4n-Khmer, c\u1ee5 th\u1ec3:
          \nGi\u1eefa thanh \u0111i\u1ec7u v\u00e0 ph\u1ee5 \u00e2m \u0111\u1ea7u c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn nhau theo h\u01b0\u1edbng c\u00e1c ph\u1ee5 \u00e2m \u0111\u1ea7u t\u1eafc v\u00f4 thanh t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t thanh c\u00f3 \u00e2m v\u1ef1c cao, c\u00f2n nh\u1eefng ph\u1ee5 \u00e2m \u0111\u1ea7u h\u1eefu thanh th\u00ec t\u01b0\u01a1ng \u1ee9ng v\u1edbi thanh \u0111i\u1ec7u c\u00f3 \u00e2m v\u1ef1c th\u1ea5p.
          \nThanh \u0111i\u1ec7u ti\u1ebfng Vi\u1ec7t l\u1ea1i c\u00f3 s\u1ef1 t\u01b0\u01a1ng \u1ee9ng v\u1edbi ph\u1ee5 \u00e2m cu\u1ed1i, hay ch\u00ednh x\u00e1c h\u01a1n l\u00e0 v\u1edbi c\u00e1ch k\u1ebft th\u00fac \u00e2m ti\u1ebft:
          \nHai thanh ngang-huy\u1ec1n: \u00e2m ti\u1ebft m\u1edf;
          \nHai thanh h\u1ecfi-ng\u00e3: \u00e2m cu\u1ed1i x\u00e1t;
          \nHai thanh s\u1eafc-n\u1eb7ng: \u00e2m cu\u1ed1i t\u1eafc y\u1ebft h\u1ea7u.
          \n\u1ede H\u00e1n ng\u1eef th\u00ec \u201cth\u01b0\u1ee3ng thanh\u201d \u0111\u1ed1i \u1ee9ng c\u00e1c \u00e2m cu\u1ed1i t\u1eafc y\u1ebft h\u1ea7u \u201c-?\u201d, \u201ckh\u1ee9 thanh\u201d \u0111\u1ebfn t\u1eeb c\u00e1c \u00e2m cu\u1ed1i c\u00f3 \u201c-s\u201d .v.v. C\u00e1c k\u1ebft lu\u1eadn n\u00e0y hi\u1ec7n nay \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi ng\u00f4n ng\u1eef h\u1ecdc qu\u1ed1c t\u1ebf, g\u1ed3m c\u1ea3 c\u00e1c nh\u00e0 ng\u00f4n ng\u1eef h\u1ecdc Trung Qu\u1ed1c, th\u1eeba nh\u1eadn r\u1ed9ng r\u00e3i[2]<\/a>.<\/li>\n
        3. Th\u1eadm ch\u00ed thanh \u0111i\u1ec7u c\u0169ng kh\u00f4ng ph\u1ea3i \u0111\u1ed9c nguy\u1ec1n c\u1ee7a c\u00e1c nguy\u00ean \u00e2m n\u1eefa, v\u00ec c\u00f3 nhi\u1ec1u ph\u1ee5 \u00e2m v\u1ed1n l\u00e0 \u201cph\u1ee5 \u00e2m h\u1eefu thanh\u201d, t\u1ee9c khi ph\u00e1t \u00e2m c\u00f3 s\u1ef1 tham gia c\u1ee7a d\u00e2y thanh \u0111\u1edbi, n\u00ean \u00edt nhi\u1ec1u c\u00f3 l\u1ebd ch\u00fang c\u0169ng c\u00f3 tham gia v\u00e0o qu\u00e1 tr\u00ecnh t\u1ea1o thanh \u0111i\u1ec7u c\u1ee7a t\u1eeb, nh\u1ea5t l\u00e0 \u1edf c\u00e1c ph\u1ee5 \u00e2m cu\u1ed1i h\u1eefu thanh v\u00e0 vang k\u00e9o d\u00e0i nh\u01b0 -ng\/-nh.<\/li>\n
        4. Ph\u1ee5 \u00e2m kh\u00f4ng nh\u1eefng tham gia v\u00e0o ti\u1ebfn tr\u00ecnh l\u1ecbch s\u1eed t\u1ea1o thanh \u0111i\u1ec7u nh\u01b0 \u0111\u00e3 n\u00f3i tr\u00ean m\u00e0 th\u1eadm ch\u00ed \u1edf m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef c\u00f3 ch\u1eef vi\u1ebft nh\u01b0 ch\u1eef Th\u00e1i Vi\u1ec7t Nam ch\u00fang l\u1ea1i c\u00f3 quy\u1ec1n quy\u1ebft \u0111\u1ecbnh thanh \u0111i\u1ec7u c\u1ee7a t\u1eeb, c\u00e1i s\u1ef1 t\u01b0\u1edfng nh\u01b0 v\u00f4 l\u00fd \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi Vi\u1ec7t n\u00e0y l\u1ea1i l\u00e0 b\u00ecnh th\u01b0\u1eddng trong ch\u1eef Th\u00e1i Vi\u1ec7t Nam. Ch\u1eef Th\u00e1i Vi\u1ec7t Nam c\u00f3 ph\u00e2n bi\u1ec7t r\u00f5 hai l\u1edbp ph\u1ee5 \u00e2m t\u1ed5 th\u1ea5p v\u00e0 t\u1ed5 cao, c\u00e1ch vi\u1ebft c\u1ee7a ch\u00fang kh\u00f4ng ch\u1ec9 mang t\u1ea3i th\u00f4ng tin ph\u1ee5 \u00e2m m\u00e0 c\u00f2n mang t\u1ea3i th\u00f4ng tin thanh \u0111i\u1ec7u, mu\u1ed1n \u0111\u1ecdc \u0111\u00fang thanh \u0111i\u1ec7u c\u1ee7a t\u1eeb ti\u1ebfng Th\u00e1i ph\u1ea3i nh\u00ecn v\u00e0o ph\u1ee5 \u00e2m m\u00e0 \u0111\u1ecdc ch\u1ee9 kh\u00f4ng ph\u1ea3i nh\u00ecn v\u00e0o nguy\u00ean \u00e2m, l\u1ea1i c\u00e0ng kh\u00f4ng ph\u1ea3i l\u00e0 nh\u00ecn v\u00e0o nguy\u00ean \u00e2m ch\u00ednh.<\/li>\n<\/ol>\n

          H\u00ecnh minh h\u1ecda v\u1ec1 hai l\u1edbp ph\u1ee5 \u00e2m t\u1ed5 th\u1ea5p v\u00e0 t\u1ed5 cao c\u1ee7a ti\u1ebfng Th\u00e1i:<\/em><\/p>\n

          \"image002\"<\/a><\/p>\n

          \u1ede b\u1ed9 font ch\u1eef Th\u00e1i \u0110en (Tai Dam) \u0111\u00e3 khai b\u00e1o v\u1edbi t\u1ed5 ch\u1ee9c Unicode th\u00ec c\u00f3 b\u1ed5 sung th\u00eam hai d\u1ea5u thanh, hai d\u1ea5u n\u00e0y \u0111\u01b0\u1ee3c quy \u01b0\u1edbc g\u1eafn tr\u00ean ph\u1ee5 \u00e2m \u0111\u1ea7u ch\u1ee9 kh\u00f4ng ph\u1ea3i nguy\u00ean \u00e2m, v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7t kh\u00e1 cao ph\u00eda tr\u00ean ph\u1ee5 \u00e2m n\u00ean t\u1ea1o \u0111\u01b0\u1ee3c c\u1ea3m gi\u00e1c d\u1ea5u thanh thu\u1ed9c v\u1ec1 c\u1ea3 t\u1eeb.<\/p>\n

          Nh\u01b0 v\u1eady \u1edf ch\u1eef Th\u00e1i VN c\u00f3 d\u1ea5u t\u00edch r\u00f5 r\u00e0ng ngu\u1ed3n g\u1ed1c c\u1ee7a thanh \u0111i\u1ec7u l\u00e0 t\u1eeb ph\u1ee5 \u00e2m ch\u1ee9 kh\u00f4ng ph\u1ea3i nguy\u00ean \u00e2m, m\u1ed9t minh ch\u1ee9ng l\u1ecbch s\u1eed r\u1ea5t tr\u1ef1c quan cho thuy\u1ebft c\u1ee7a Haudricourt[3]<\/a>.<\/p>\n

          H\u00ecnh minh h\u1ecda m\u1ed9t c\u00e2u ch\u1eef Th\u00e1i \u0110en S\u01a1n La trong cu\u1ed1n gi\u00e1o tr\u00ecnh ch\u1eef Th\u00e1i c\u1ee7a C\u1ea7m Tr\u1ecdng & Nguy\u1ec5n V\u0103n H\u00f2a, \u0111\u00e1nh m\u00e1y b\u1eb1ng font Unicode, hai d\u1ea5u n\u1eb1m \u1edf v\u1ecb tr\u00ed cao nh\u1ea5t l\u00e0 d\u1ea5u thanh, (quy \u01b0\u1edbc hi\u1ec7n nay l\u00e0 \u0111\u1eb7t tr\u00ean ph\u1ee5 \u00e2m \u0111\u1ea7u nh\u01b0 ch\u1eef Th\u00e1i Lan)<\/strong>:<\/em><\/p>\n

          \"image004\"<\/a><\/p>\n

           <\/p>\n

            \n
          1. C\u00f3 l\u1ebd nh\u1eefng ng\u01b0\u1eddi ph\u00e1t minh ra d\u1ea5u \u0111i\u1ec7n t\u00edn ti\u1ebfng Vi\u1ec7t (telex) th\u1eddi x\u01b0a c\u0169ng \u0111\u00e3 n\u1eafm r\u00f5 v\u1ea5n \u0111\u1ec1 l\u00e0 thanh \u0111i\u1ec7u v\u1ed1n l\u00e0 thu\u1ed9c t\u00ednh chung c\u1ee7a c\u1ea3 t\u1eeb n\u00ean quy t\u1eafc \u0111i\u1ec7n t\u00edn chu\u1ea9n l\u00e0 b\u1ecf d\u1ea5u (5 k\u00fd t\u1ef1 f,j,r,s,x) \u1edf cu\u1ed1i t\u1eeb, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u00ednh sau m\u1ed9t nguy\u00ean \u00e2m n\u00e0o c\u1ea3 !<\/li>\n
          2. Ng\u01b0\u1eddi vi\u1ebft nh\u1edb h\u1ed3i x\u01b0a khi nh\u00f3m c\u1ea3i c\u00e1ch ch\u00ednh t\u1ea3 mu\u1ed1n \u201cgi\u00e1c ng\u1ed9\u201d qu\u1ea7n ch\u00fang, h\u1ecd \u0111\u00e3 y\u00eau c\u1ea7u th\u1eed \u0111\u1ecdc t\u00e1ch r\u1eddi h\u00f2-a v\u00e0 ho-\u00e0 \u0111\u1ec3 xem c\u00e1ch n\u00e0o s\u00e1t \u00e2m \u201ch\u00f2a\u201d h\u01a1n… Qu\u1ea3 th\u1ef1c ho-\u00e0 s\u00e1t h\u01a1n, nh\u01b0ng c\u00e1ch l\u00e0m \u0111\u00f3 ch\u01b0a c\u00f4ng b\u1eb1ng, mang m\u00e0u s\u1eafc c\u1ea3m t\u00ednh, v\u00ec t\u00e1ch \u00e2m \u0111\u00fang h\u01a1n n\u1eefa ph\u1ea3i l\u00e0 h\u00f2-\u00e0, d\u1ea5u kh\u00f4ng thu\u1ed9c ri\u00eang m\u1ed9t nguy\u00ean \u00e2m n\u00e0o.<\/li>\n<\/ol>\n

            Nh\u01b0 v\u1eady vi\u1ebft \u201ch\u00f2a\u201d theo ki\u1ec3u c\u0169, cho d\u1ea5u n\u1eb1m ngay gi\u1eefa t\u1eeb, ch\u00ednh l\u00e0 \u0111\u1ec3 nh\u1eafc ng\u01b0\u1eddi \u0111\u1ecdc r\u1eb1ng d\u1ea5u thanh v\u1ed1n thu\u1ed9c v\u1ec1 c\u1ea3 t\u1eeb, ph\u1ea7n n\u00e0o c\u0169ng c\u00f3 logic \u0111\u00f3 ch\u1ee9 ? C\u00e1 nh\u00e2n ng\u01b0\u1eddi vi\u1ebft cho r\u1eb1ng quy \u01b0\u1edbc \u0111\u1eb7t d\u1ea5u thanh tr\u00ean nguy\u00ean \u00e2m ch\u00ednh tho\u1ea1t nh\u00ecn c\u00f3 v\u1ebb \u201ckhoa h\u1ecdc\u201d h\u01a1n, nh\u01b0ng ch\u1ec9 l\u00e0 m\u1ed9t trong c\u00e1c ti\u00eau ch\u00ed \u0111\u1ec3 xem x\u00e9t ch\u1ecdn l\u1ef1a, ch\u1ee9 n\u1ebfu n\u00e2ng quy \u01b0\u1edbc \u0111\u00f3 th\u00e0nh nguy\u00ean t\u1eafc b\u1eaft bu\u1ed9c th\u00ec \u0111\u00f3 l\u1ea1i l\u00e0 m\u1ed9t quy \u0111\u1ecbnh mang t\u00ednh ch\u1ee7 quan, \u00e1p ch\u1ebf v\u00e0 ch\u01b0a c\u00f3 \u0111\u1ee7 c\u0103n c\u1ee9 khoa h\u1ecdc nh\u01b0 \u0111\u00e3 ph\u00e2n t\u00edch r\u00f5 \u1edf ph\u1ea7n tr\u00ean. V\u1ea3 l\u1ea1i n\u1ebfu th\u1ef1c s\u1ef1 c\u1ea7n ph\u00e1t \u0111\u1ed9ng m\u1ed9t cu\u1ed9c \u201cc\u00e1ch m\u1ea1ng ch\u1eef vi\u1ebft\u201d th\u00ec c\u00f2n r\u1ea5t nhi\u1ec1u c\u00e1i quan tr\u1ecdng \u0111\u00e1ng ph\u1ea3i s\u1eeda ch\u1eefa h\u01a1n l\u00e0 quy t\u1eafc b\u1ecf d\u1ea5u tr\u00ean 3 v\u1ea7n \u0111\u00f3. Ch\u1eb3ng h\u1ea1n:<\/p>\n