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- Study of Four Phase Power Transmission System 四相输电方式研究
- Fluid power Transmission International Exhibition. 国际液压动力展。
- Nord China Power Transmission Co., Ltd. 诺德中国传动设备有限公司。
- New 220-kilovolt power transmission project cities. 新建大城市220千伏输变电工程。
- New 110 kilovolt power transmission project cities. 新建大城市110千伏输变电工程。
- M.Murata. A GIS application for power transmission line siting. 边馥苓.;GIS地理信息系统原理和方法
- Power transmission and control play a role in all industry sectors. 电力传输和控制在所有的工业领域都扮演着重要的角色。
- They counted four phase s in a cycle: new moon, half moon, full moon and half moon. 他们把四个阶段算做一个周期：新月、半月、满月和半月。
- For GVL of 2.95W average output power only 2.5 kVA single phase power supply was required. 对于输出功率为2.;95W的金蒸汽激光器;输入功率只要求单相2
- The QPM gratings with two phase shifting domains and four phase shifting domains were numerically calculated, and the mechanism of the bandwidth enhancement was explained. 数值计算了引入两个相移域和四个相移域的QPM光栅，并解释了引入相移后带宽加宽的机理。
- This compensator can compensate phase loads respectively and display all the phase power factors and current values in a time-split way. 该功率因数补偿器具有相负载分别补偿,补偿电容在电压过零时投切,各相功率因数和电流值分时显示等特点。
- Two trapezoids are the same in shape and hold a common winding as the bottom side, while the midpoint of the common winding is the ground of four phase systems. 2个梯形形状相同，并具有共同的底边，其中点为四相系统的公共点。
- When the voltage passes through zero, the compensation capactitors turn on or off, All the phase power factors and current values are shown by the hour. 该功率因数补偿器具有对各相负载分别补偿,补偿电容在电压过零时投切,各相功率因数和电流值分时显示等特点。
- Tan Ping-an Docent. His research interests include Power electronics and power transmission. 谭平安讲师，研究方向为电力电子与电力传动。
- SRM can be designd in multi-phase in theory.The more phase number, the more electron switch componeat needed, the more complex circuit, the more the cost, so three or four phase is common. 摘要开关磁阻电动机原理上可以制成多相结构，相数越多，则需要的电子开关元件越多，线路越复杂，成本更高，因此一般多制成三相或四相结构。
- This paper raises to design the management information system for power transmission network based on GIS. 本论文从电力系统输电网络管理的要求出发,结合生产实际,提出在地理信息系统(gis)的基础上,构建杭州电力局的输电网络生产管理系统。
- They are usually presented in boxes of four which indicate the four phases of the moon. 月饼通常是每盒里装四块，代表月亮的四个变化阶段。
- Planned power transmission and distribution projects will be completed to introduce power from the surrounding area into Beijing. 完成计划中的相关输配电工程，积极由首都周边地区引进电力资源。
- Notable application of power electronics is HVI)C power transmission over long distance. 电力电子技术引人注目的应用是远距离高压直流输电。
