通过改变端部边界条件和材料参数研究了容器端部形式和材料参数对容器残余应力的影响。
Effects of end conditions of the vessel and material parameters on the residual stress were studied.
设计师们花了一年多的时间选择和测试理想的材料，最终挑选出一种能够抵御月球上异常恶劣条件的新型材料。
Designers spent more than one year choosing and testing ideal materials, and finally picked a new kind of material that can resist the very difficult conditions on the Moon.
如果用户对本网站的任何材料或网站的任何使用条款和条件不满，用户的唯一补救方法是停止使用本网站。
If the User is dissatisfied with any Material on this Site or with any of its Terms and Conditions of Use, the User's sole and exclusive remedy is to discontinue using the Site.
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