disturbing force meaning in English

【天文学】摄动力，扰力。

The angular frequency of the disturbing force called the impressed frequency .
扰动力的角频率称为外加频率。
The hardness of a material is , in broad terms , a measure of its resistance to local deformation by some specified disturbing force . unlike most physical and engineering properties , therefore , hardness is not a unique property , but depends on the nature of the test concerned
硬度以广义来说，一种物料的硬度是其对某些特定干扰力所造成本身变形的抗力程度。因此硬度与很多物理及工程特性不同，它不是一种独特的特性，而视乎测试的性质而定。
Under the influence of any strongly - disturbing force clare would occasionally walk in his sleep , and even perform strange feats , such as he had done on the night of their return from market just before their marriage , when he re - enacted in his bedroom his combat with the man who had insulted her . tess saw that continued mental distress had wrought him into that somnambulistic state now
克莱尔只要受到强烈的刺激，偶尔就会出现梦游的现象，甚至还会做出一些奇怪的惊人之举，就在他们结婚之前从市镇上回来的那个夜晚，他在房间里同侮辱苔丝的那个男人打了起来，就属于这种情形。