1.
The power factor (pf) is the ratio of average power to apparent power.
功率因数是有功功率与视在功率之比。
2.
Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit.
功率因数功率因数是电路中有功功率(W)视在功率(A)间夹角的余弦值。
3.
no-load apparent power
空载视在功率 -电阻焊的
4.
Power Factor Power factor is the cosine of the angle between the active power( kW) and apparent power( kVA) in a circuit.
功率因数功率因数是电路中有功功率(W)视在功率(VA)间夹角的余弦值。
5.
color TV high power transmitter
大功率彩色电视发射机
6.
output power of the TV transmitter
电视发射机输出功率
7.
Research on Power Rate Distortion Model for Video Coding and Its Low Complexity Algorithm;
视频编码功率率失真模型及低复杂度算法研究
8.
Assessing of China s Financial Function and Efficiency Seeing from Functional View;
功能观视角的我国金融功能和效率评价
9.
Study of Power MOSFET Application in the High-power Electronic Switch
功率MOSFET在大功率电子开关中的应用研究
10.
Application of PLC in Reactive Compensation Controller;
PLC在无功功率自动补偿控制中的应用
11.
The maximum average power is 444 mW with an efficiency of 0.05% at the pulse repetition frequency of 18.2 KHz.
在重复率18.2千周时最大平均功率444毫瓦,效率0.05％。
12.
The ratemeter and scaler functions are displayed on the monitor making the system ideal for classroom and group demonstrations.
记数率计和计数器功能显示在监视器上，系统对于教室和集团会议演示是理想的工具。
13.
The television programme was rapidly losing ground in the ratings.
这个电视节目的收视率正在迅速下降。
14.
Ratings at the Television News Program Applied Research
收视率在电视新闻节目中的应用研究
15.
A unit of electric power equal to the work done by one kilowatt acting for one hour.
千瓦－小时电功率的单位，等于在一千瓦功率下一小时内消耗的功
16.
"A machine that can do a great deal of work in a short time is called a high-powered machine. Power is the rate, or speed, at which work is done."
在短时间内做大量功的机器叫做高效率机械。功率表示做功的效率和速率。
17.
The output power of laser can be exactly measured by the method of beam splitting monitoring.
通过分束监视 ,实现了激光输出功率的准确计量 ;
18.
The Research of High-Power Rectifier and Monitor System for Gold and Silver Refining;
大功率金银电解整流及监视系统的研制