A branch circuit model of synchronous motors is proposed, which can fully calculate different kind properties of space.
2
本文提出了一种新的方法，多普勒外差法测量表面面形，并首次提出和制作了同步相位计。
This paper describes a new method, Doppler heterodyne measurement method of surface profile, using a simultaneous phase comparator.
3
报道一种微机控制带恒能量同步扫描和可变角同步扫描的多功能荧光分光计。
A new microcomputer-controlled versatile spectrofluorometer with the function of constant energy and variable-angle synchronous scanning has been developed.
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