基于共振声谱法，研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。

In this paper, the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.

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扰动因子向量的方向与材料单元体应力主方向相同。

The orientation of disturbance factor vector is the same as that of vector of material unit stress.

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隧洞断面宜采用曲线形状； 宜采用控制爆破全断面开挖，减少对围岩的扰动以保持岩体自承能力；

The tunnel section is advised to adopt curved shape and full-face excavation by controlled blasting to reduce disturbance on surrounding rock and maintain its self-supporting capability.

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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