Authorities have not yet disclosed the results of an investigation into the cause of that accident, though state media cited officials saying signaling equipment was thought to have been a key factor.

目前官方尚未公布此次事故的调查结果，但媒体报道引用官方说法是信号灯故障是造成事故的关键因素。

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Emergency materials preparedness is the key factor of success emergency response for unexpected occupational poisoning accident.

应急物资准备是突发职业中毒事故应急救援成功的关键因素。

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This article discusses the factor of the traffic psychology through the analysis of the reason of the traffic accident.

本文着重从交通事故的原因对道路交通中的心理因素进行论述。

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And I'll just point out here also, this is a conversion factor you'll use quite frequently -- many of you, quite on accident, will memorize it as you use it over and over again.

你们会经常用到，所以你们可能,会不小心记住它的值，但我们并不会在,任何考试中。

麻省理工公开课 - 化学原理课程节选

Wind was believed to have been a major factor in the accident.

CNN: March 7, 2013 -- Updated 0004 GMT (0804 HKT)

"We are satisfied that the findings of our internal investigation exclude the car as a factor in the accident, " Marussia team principal John Booth said in a statement.

CNN: Marussia F1: Car was not a factor in De Villota crash

The death was ruled an accident in which heart disease played a contributor factor.

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