The mine reportedly had an accident rate treble the national average.
据报道，那个矿的事故发生率是全国平均水平的三倍。
Changing the clocks, however, does not actually increase the amount of driving done in the dark, so it is unlikely to have any effect on Benovia's automobile accident rate.
然而，改变时钟实际上并不会增加在黑暗中驾驶的时间，所以它不太可能对 Benovia 的交通事故率有任何影响。
The new policy helps cut down the traffic accident rate.
新政策的出台降低了事故率。
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