本产品具有杂质少，纯度高，结构稳定的特点。

This product has little impurity, high purity, fixed construction.

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因此如何设计出一个功能强大，结构稳定的机械手变成了迫在眉睫的问题。

Therefore, how to design a powerful, stable structure of the manipulator into a looming problem.

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块体的回转角、长高比、岩性及负载岩层的高度是影响结构稳定的主要因素。

The major factors that affect the stability of the structure are rotational angle of the voussoir beam, ratio of length and height, rock type and height of carrying rock strata.

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OK, last day, you talked about the Born-Haber cycle, and octet stability via electron transfer.

言归正传，昨天我们讲的是伯恩哈勃循环，和8电子稳定结构。

麻省理工公开课 - 固态化学导论课程节选

All right. So formal charge can actually help us out when we're trying to decide between several Lewis structures that look like they might be comparable in terms of which might be the lower energy or the more stable structure.

好的，形式电荷真的可以,帮助我们决定,在几种路易斯结构中,哪个更可能符合能量更低,或者结构更稳定的要求。

麻省理工公开课 - 化学原理课程节选

Octet stability is the term applied to this feature.

八电子稳定结构反映的就是这个特性。

麻省理工公开课 - 固态化学导论课程节选