unsteadiness
n. 不穩定,搖擺
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.
只有在使用長焦距的儀器時,才不允許空氣的不穩定.
Pendulum is a unlinear, coupling, variable and natural unsteadiness system.
倒立擺系統是非線性 、 耦合 、 變數和自然不穩定的系統.
Improper precipation may cause quicksand and result in foundation pit unsteadiness.
由於降水不慎,可能產生流砂,導致基坑失穩.
Thus eliminating blurring and unsteadiness of the images.
這樣就消除了圖象的模糊和不穩定.