In the meantime the time variation of the water level in the ditch has been taken into account, therefore the groundwater head are time-varying as the groundwater flows toward the drain system.
在讨论这个问题时，又考虑进了排水沟中的水位也是随时间而变化的，因此在地下水流动过程中的任一瞬时，其地下水头差也是一个变量。
The multi-level recursive prediction method has been extended to the systems with sturcture time varying and sturcture and paramer time varying together.
我们把多层递阶预报方法由参数时变系统推广到这类结构时变或结构与参数皆时变的系统上来。
There are factors such as nonlinearity, high complexity, time varying, swell-and-shrink phenomena and non-minimum phase dynamics which make water level control problem of SG very challenging.
非线性、高复杂性、时变、“膨胀”和“收缩”现象以及非最小相位等特性致使SG水位控制成为一直以来的难题。
There are factors such as nonlinearity, high complexity, time varying, swell-and-shrink phenomena and non-minimum phase dynamics which make water level control problem of SG very challenging.
非线性、高复杂性、时变、“膨胀”和“收缩”现象以及非最小相位等特性致使SG水位控制成为一直以来的难题。
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