基坑开挖到一定深度，基坑变形的时间和空间效应明显。
When foundation pit is excavated to a certain depth, the time of deformation is obviously related to the space.
秦岭纬向构造带不仅在地表发育明显，而且延伸至地幔一定深度。
Qinling latitudinal structural belt is developed very clear on the surface, and extends to a certain depth.
在这种情况下不管零件尺寸如何，其表面总归有一定深度被硬化。
Under these circumstances there would always be some finite depth of surface hardening regardless of size.
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