在滑模控制中,系统的参数变化在一定区域内是可以不计的。
In the sliding mode control, changes of the system parameters may be neglected in some regions.
针对求解物理量在一定区域内的平均值问题,设计了一种权重面积方法。
A weighted area scheme is designed for calculating mean value of a regional meteorological field.
本实用新型可将水面漂浮物拦截在一定区域内,以便高效地实施打捞清除。
The utility model intercepts the floatage on the water surface within a certain area, thus being convenient for implementing refloatation and removal.
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