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大家看一下这个网站
7 y$ D& T4 f5 fhttp://www.eyesite.ca/english/pr ... nes/drivingstd.html7 a6 ?6 F5 D! Z/ @
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里面这段: x5 u' i K! E6 B$ ?8 e- Q) |
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( G. J4 r6 Z; L: i- o2 r5 dTable 1–Corrected visual acuity* standards for the various classes of driving licences# o, B7 J3 Q5 g* ` S: ]
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/ G: E# s) C+ H% D6 }4 gClass of licence† Recommended standard
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4 `8 h( n G, S8 n7 h) g3 r/ z( A, J5 (Personal Use)
2 s$ o {# g7 _; F- }& ?) WNot less than 20/50 (6/15) with both eyes open and examined together
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1 s8 R$ r: {& {* X4 (Taxi) and 5 (Commercial) a# E! N4 C. Q) t
Not less than 20/40 (6/12) with both eyes open and examined together. Worse eye not less than 20/200 (6/60).
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1, 2, 3,4 (Emergency) and 6 0 P" D0 v1 X( u
Not less than 20/30 (6/9) with both eyes open and examined together. Worse eye not less than 20/100 (6/30).
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5 D* c5 P/ e, Y; x @+ B1、license 5:视力要求,双眼测试0.4,对单眼不作要求,可以这样理解吗,0.4时我们平常说的0.4吗? |
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