The cause of mine pillar destruction in in Dachang Tongkeng Tin Mine was analyzed from observation by photoelastic stressmeter embedded in mine stope 570.

通过对埋设于570中段光弹性应力计的观测，分析了该中段矿柱破坏的情况及原因。

youdao

He ends with this interesting observation (emphasis mine).

他用一个有趣的现象结束了全文(我加上的重点)。

youdao

This paper educed the error calculation formula of the mine directional Angle by using the method of guidance relation connected with the triangle observation.

本文采用导向联系三角形观测方法，导出了矿井定向角度的误差计算公式。

youdao

In response to my repeated observation that the characterization of Shariah is not mine but that of all of the recognized authorities of Islam, Khan asserted again and again that it was not true.

CENTERFORSECURITYPOLICY: The other debate: Frank Gaffney vs. Suhail Khan