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大家看一下这个网站/ V' @2 M* n# W3 V3 Z& M
http://www.eyesite.ca/english/pr ... nes/drivingstd.html7 d( j( Z6 R7 G0 n4 `1 ~
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里面这段, ^$ f. Y3 f1 K. r! M! G4 z4 z
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; P/ h" [' Z0 B0 g! m- cTable 1–Corrected visual acuity* standards for the various classes of driving licences4 S$ E/ z( L! x T5 s7 Y* o$ D# k/ o
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7 \8 n- m7 v; b" UClass of licence† Recommended standard
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% \& V0 F c; R1 _# ]5 (Personal Use)
3 b; ` M* _( P8 a0 _3 GNot less than 20/50 (6/15) with both eyes open and examined together
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4 (Taxi) and 5 (Commercial)
- _ C; o, E. C- VNot 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
& A+ o& d: _5 A9 B7 FNot less than 20/30 (6/9) with both eyes open and examined together. Worse eye not less than 20/100 (6/30). * D& Q2 j9 c" A% f! V# ^( |
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1、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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