Thus, dc voltage fluctuations are maintained within the small range of the voltage margin.
直流电压变化会维持在一个很小的范围内。
In the small range precise engineering and deformation survey, more and more high precisions are required.
在小范围的精密工程与形变测量问题中，对测量精度的要求越来越高。
The major observation items are the effect of the belt to the small range climate of the farmland, drainage and soil improving functions of the belt.
主要观测护田林带对农田小气候的影响、林带的排水作用以及改土效果。
The small range model, in which mesh is refined, is exactly used to simulate excavation process of the underground powerhouse.
然后取较小计算范围进行二次细分网格，以便较准确地模拟地下厂房分步开挖的动态过程。
The small range model, in which mesh is refined, is exactly used to simulate excavation process of the underground powerhouse.
然后取较小计算范围进行二次细分网格，以便较准确地模拟地下厂房分步开挖的动态过程。
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