The relative system, such as vector graphic system, database system, and space information system, are discussed in the paper, the basic principle and realize method are discussed in the paper also.
本文阐述了人机系统软件相关的矢量图形系统、数据库系统、信息系统、空间信息分析系统，给出了基本原理和技术解决方案。
First, the concept of emotion vector was proposed and the emotion state of virtual human could be transformed to an emotion vector calculated by the basic emotion vector in emotion vector space.
首先，提出了情绪向量空间的概念，人的情绪状态可以转化成情绪向量空间中的一个情绪向量，情绪向量可以通过基本情绪向量来计算。
This paper introduces the basic theory of space-vector PWM (SVPWM), and designs the ac photovoltaic water pump system on the basics of this theory.
本文介绍了空间电压矢量脉宽调制(SVPWM)的基本原理，并应用此原理进行了交流光伏水泵系统的设计。
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