物的不安全状态。
根据伤亡事故轨迹交叉理论，事故发生是物的不安全状态和人的不安全行为出现的结果，归纳起来主要是人的因素。
According to the theory of track-cross of casualty accidents, accidents caused by unsafe status of matters and people's unsafe behaviors, which can be summed up people as the main factor.
近几年，我国煤矿频发安全事故，其直接原因是人的不安全行为和物的不安全状态，间接原因主要是企业管理的缺陷。
The frequent happenings of China's coal mine security accidents were caused directly by people's insecure behavior and goods' insecure state, and indirectly by enterprises' management drawback.
近几年，我国煤矿频发安全事故，其直接原因是人的不安全行为和物的不安全状态，间接原因主要是企业管理的缺陷。
The frequent happenings of China's coal mine security accidents were caused directly by people's insecure behavior and goods' insecure state, and indirectly by enterprises' management drawback.
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