青春期是形成体型的关键时期。

Puberty is the crucial period for formation of somatotypes.

youdao

同上述形成体系不同，它只能适用于偏振波。

Unlike the previous formalism it is only applicable to polarized waves.

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未形成体系，具体表现在员工缺少驱动力、培训绩效无法度量和缺少有效反馈渠道。

Not formed the system, the specific performance of the lack of driving force, training performance can not be measured and the lack of effective feedback channels.

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And as a result of that, the achieving of octet stability via electron transfer tumbled to the idea of an ionic bond where one atom donates an electron completely to the other atom, sort of like servanthood.

有了他们，也就是形成八隅体的稳定结构,通过电子的扰动形成理想的离子键,这儿一个原子完全将一个电子,给另一个原子，有点像奴仆关系。

麻省理工公开课 - 固态化学导论课程节选