WB intelligent electrical transmitter is divided into single-phase and three-phase two classes.
WB智能电量变送器分为单相和三相两类。
The control strategy of single-phase two-stage grid-connected PV (PhotoVoltaic) generation system is studied and improved.
研究并改进了单相两级光伏并网发电系统的控制策略。
Based on analyzing single phase two-level and three-level 4-quadrant converter's principle, the mathematic model of ideal switch function is established, the principle of SPWM is introduced.
在分析单相两电平和三电平四象限变流器工作原理的基础上，建立了基于理想开关函数的数学模型，介绍了其SPWM调制原理。
In this article the analytical calculation has been made for the evaporator heat transfer in absorption-diffusion refrigeration system with the annular two-phase two-component heat transfer model.
本文采用双组分环状二相流模型对吸收-扩散式制冷系统蒸发器的传热进行了分析计算。
Phase two, preparation, adds a layer of speed by introducing tempo runs and long repeats.
第二个阶段，会增加一部分速度训练，包括乳酸门槛跑和长距离的反复跑。
Phase One will be completed in June 2010 and Phase Two be from July to December 2010.
第一期复修工程会于2010年六月完成，而第二期工程将于同年七月至十二月展开。
Phase Two includes extended Oneness projects and courses that will be rolled out across Africa from 2012 to 2035.
第二阶段包括延伸的合一计划和课程，从2012年到2035年普及整个非洲大陆。
This point has been belabored enough that it's just stating the obvious. Still, let's be honest: entering 2014, Phase Two of the Marvel Cinematic Universe wasn't quite living up to the hype.
这一点已经被反复提及，因而只是复述显而易见的事实。不过，说实话：迈入2014年，漫威电影宇宙第二阶段有点有负盛名。
According to the difference of passing current and constructive mode of conductor, the conductor propagation is divided into three-phase, two-phase and single-phase propagation, etc.
根据通过电流和导体结构方式的不同，导体传输可分为三相传输、二相传输和单相传输等。
According to the difference of passing current and constructive mode of conductor, the conductor propagation is divided into three-phase, two-phase and single-phase propagation, etc.
根据通过电流和导体结构方式的不同，导体传输可分为三相传输、二相传输和单相传输等。
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