在电力系统中，变压器是实现电压变换、电能传输和分配的关键设备。
Transformer is the key instrument for voltage converting, power transmission and distribution in power system.
教学过程是一个信息的传输、变换、反馈和控制的系统。
Teaching process is a transmission, alteration, feedback and control system of information.
本文研究了一种适于离散系统的新型次最优控制方法——变换控制法。
Projective control, a new suboptimal control for discrete time system, is investigated in this paper.
作者对规范变换进行了较为系统的研究。
作为实例本文将介绍这种数据变换系统在微机电话问卷系统中的应用。
As an application, we describe its implementation in the microcomputer telephone inquiring system.
作为三大变换之基础的傅立叶变换，是信号与线性系统的一个最基本，最重要的变换。
As the base of them, Fourier transform is the foundalist and the most important one.
作为三大变换之基础的傅立叶变换，是信号与线性系统的一个最基本，最重要的变换。
As the base of them, Fourier transform is the foundalist and the most important one.
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