Considered from safe Angle, architecture is the first defense line of human safety, the human shelter and also the basic space of mankind survival.
从安全的角度来讲，建筑是人类安全的第一道防线，是人类的庇护所，也是人类赖以生存的基本空间。
2
Borehole curvature is one of significant index to evaluate Angle build-up capacity and wellbore quality, is very important to realize safety, speedily and efficiently drilling.
井眼曲率作为衡量工具造斜能力和评价井身质量的重要指标之一，对实现安全、快速、高效钻井具有重要意义。
3
The return angle stiffness of tilting mechanism can be taken to judge the return safety of tilting trains is put forward.