The best way to estimate the safety of a landing is to look at the acceleration.

判断落地时安全与否的最佳方法就是计算落地时的加速度。

youdao

Objective: to estimate the safety of Fengtongling liniment applied on skins.

目的：评价风痛灵擦剂外用的安全性。

youdao

Objective:To estimate the safety and efficiency of the painless method by Spasmolysis and Hypno-anesthesia for colonoscopy.

目的 ：前瞻性研究解痉催眠镇痛法用于无痛肠镜检查的有效性和安全性。

youdao

Safety experts estimate that the restraining devices save more than four thousand lives a year in the United States alone.

VOA: special.2010.02.09