& l3 W7 ?% ^: {' f7 [7 ~8 u0 l看过一篇文章分析大小车的安全性的,里头也是提到实际交通事故的撞击方式,在所有致命事故里,50%涉及非两车撞击(翻车,撞击障物,比如树,水泥柱子),这类事故里跟安全相关的因素车子重量大小不算其中,主要是 # F: e6 b; ~2 P9 x da) an effective restraint system (seat belts and airbags)$ ?# m# x) i1 t2 {
b) effective energy absorption in the crush areas (front end or rear end)0 x+ |) t$ ^ D* h" t6 `
c) a strong cabin area that does not collapse in the crash 3 p1 \. i" b7 \* K" h% i: }None of these items are automatically better in large and heavy vehicles. In fact, for item c, the roof of a heavier vehicle is more likely to be crushed in a roll-over accident than a lighter vehicle. This is one reason why rollovers in SUV's cause a higher percentage of deaths than in cars (in addition to their higher center of gravity.) ( S3 A4 Y. ]0 a; U4 f ( m3 t; q$ ]5 y7 O9 l : a1 ?# O' f5 G4 K而在涉及两车相撞的另50%致命事故里,70%是侧撞和追尾,这里a和c是主要安全因素,车子质量仍然无关。下面的图表反应了这类碰撞时不同品牌车子的安全状况 7 o! ?1 v" Z9 r- J {) t0 V( t1 Y: nInsurance Institute for Highway Safety (IIHS) are shown below. (see http://www.iihs.org/ratings.). t4 v' w9 Z/ E s' C+ s
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