位相不变量 topological invariant
不相关变量 [数] uncorrelated variable ; Independent variable ; uncorrelated variables
不可逆相变化 irreversible phase change
相对不变测度 relatively invariant measure
不相关随机变量 [数] uncorrelated random variables
相对论性相位不变性 relativistic phase invariance
相对不变泛函 [数] relatively invariant functional
相对积分不变式 [数] relative integral invariant
同期不相关变量 [自] contemporaneously uncorrelated variables
主要介绍一种依据一台三相异步电动机在S1工作制下的运行参数推断该台异步电动机容量不变时在S7工作制下发热情况的方法。
Based on operation parameters of a three phase induction motor at duty type S1, this paper deduces the thermal state of this motor with constant output at duty type S7.
采用氨气还原氮化法，在流动的氨气氛下原位反应生成氮化钛，同时保持四方相氧化锆含量和结构不变。
Titanium nitride was synthesized by ammonia reduction and nitridation under flowing ammonia atmosphere while the content and tetragonal phase structure of zirconia was unchanged.
建立了圆柱分支管y型三通的主管相贯线处的周长不变的条件，确定了相贯线为椭圆。
The invariablenes condition of circle girth of the join-line end of the main pipe was set up and the join-lines on Y-tee to be ellipse was made certain.
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