unsteadiness
n. 不稳定,摇摆
1. the quality of not being steady or securely fixed in place
2. the quality of being unsteady--varying and irregular
The unsteadiness of air becomes prohibitive only if instruments with large focal length are used.
只有在使用长焦距的仪器时,才不允许空气的不稳定.
Pendulum is a unlinear, coupling, variable and natural unsteadiness system.
倒立摆系统是非线性 、 耦合 、 变量和自然不稳定的系统.
Improper precipation may cause quicksand and result in foundation pit unsteadiness.
由于降水不慎,可能产生流砂,导致基坑失稳.
Thus eliminating blurring and unsteadiness of the images.
这样就消除了图象的模糊和不稳定.