In order to obtain the phase plane of higher order nonlinear control system, a new graphic method of phase locus of phase plane for higher order nonlinear.
为得到高阶非线性系统的相平面，借助状态空间法，提出一种利用图解方法实现高阶非线性系统相轨迹的作图方法。
The capacitance of a metal ball and an infinitely big conductor plane system is sought out by the method of electrical images.
用镜象法求解金属球与无限大导体平板系统的电容。
This paper introduced a method of plane video recording based on digital technology, realizing airborne digital video recording system according to the request.
介绍了一种用数字技术实现飞机视频记录的方法，并就某型飞机的技术要求设计和实现了机载视频记录系统。
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