Theoretic calculation and relative test are carried out against the rotor vertical and horizontal signal phase change rule during rotor running up.
针对转子在变速过程中垂直和水平信号相位及其差值变化规律进行了理论计算和相关试验。
A phase interference method, for measurement of the relative change of surface acoustic wave velocities, is presented.
本文提出了一种相位干涉法。用来测量表面声波速度的相对变化。
Objective to explore the relative factors of acute renal function change patients who suffered from cerebral hemorrhage in acute phase.
目的探讨脑出血急性期发生急性肾功能改变的相关因素。
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