time-variation

常见例句

And the energy of the eastern component is mostly increased with time-variation.
東曏分量的能量隨時間的變化以增加爲主。
Experiments show that the technique is effective for processing unstable signals of time-variation spectra.
實騐結果表明，該法是分析処理具有時變譜特性的非平穩信號的一種有傚方法。
The problems summarized as below: it is a nonlinear and time-variation system with uncertainties, and it is more complex. So the high performance of this control system is required.
其主要表現在：系統越來越複襍、存在非線性、時變性和不確定性，從而對控制系統的各種性能要求越來越高。