通过较为系统的搜集国内外工伤事故统计资料，揭示了我国工伤事故现状及特征。

The statistic data of industrial accidents at home and abroad were collected in this paper. Current characteristics and situation of industrial injury insurance were also opened out.

youdao

近年来大量工程事故统计资料表明，混凝土结构在施工阶段的安全性已成为突出问题。

It is shown that the safety for concrete structures in the construction had become the key problem from the recent some engineering accidents.

youdao

根据下坡路段事故统计资料，分析纵坡坡度、坡长、竖曲线和下坡衔接平曲线与道路安全的关系，为提高长大下坡路段安全，优化纵面设计提供参考。

So the relationship between longitudinal gradient, grade length limit, vertical curve and safety is analyzed, which can be referred to improve the safety and optimize the profile design.

youdao