According to the feature that radiation from light source can be distributed equally on the spherical wave lattice (surface) which takes the light source s point as the centre, transforms the rate of the total powers under calculation into the rate of the two spherical coronas areas, which are cut by the light s mouth of the spherical surface and which tak.
根据由光源发射的辐射能均匀分布在以点光源为中心的球形波阵面上,把所求的总功率之比转化为以线光源一点F′为球心,|F′B|为半径(B为灯口边缘最上的顶点)的球面被灯口所截得的两个球冠面积之比,经计算得直射光总功率反射光总功率≈0。
This article caught the definition of the total power of RF signal,and then the description of the total energy of analog and digital mixed transmission was made.
引入射频信号总功率的概念,对有线电视模、数混合传输中系统总能量进行了描述;探讨频分复用方式的RF信道总能量的估算方法及其工程意义。
According to the feature that radiation from light source can be distributed equally on the spherical wave lattice surface which takes the light source’s point as the centre,transforms the rate of the total powers under calculation into the rate of the two spherical coronas’ areas,which are cut by the light s mouth of the spherical surface and which take th.
本文通过建立直角坐标系 ,利用线、面方程得出以下结论 :(1)根据由光源发射的辐射能均匀分布在以点光源为中心的球形波阵面上 ,把所求的总功率之比转化为以线光源一点F′为球心 ,|F′B|为半径 (B为灯口边缘最上的顶点 )的球面被灯口所截得的两个球冠面积之比 ,经计算得 :直射光总功率 /反射光总功率≈ 0 。
Total power(KW) needed ÷ singlle element power=the quantity of elements that should be installed.
所需总功率(KW)÷单支元件功率＝应安装元件数量。
Fast to lighten the lamp which only needs2 W input low consume.
灯管点亮快速不延迟，功耗低，总功率仅2w。
Analysis on Relationship between Air Aftercooler Power and Total Power of the Compressor Unit in Long-distance Pipeline Compressor Station
长输管线增压站后空冷器功率与机组总功率的关系分析
Gross Rear Axle Rating (GRAR)
后轴的总额定功率(GRAR)
In any case work does not include time, but power does
总之，功不包括时间，而功率包括时间。
Results: Eleven caes resulted in pregnancy making a cumulative pregnancy rate of 1.8%, The total failure rate with the addition of patent trbes was 13.3%, i, e, the successful sterilization rate was 86.7 % , No side reactionsissued.
总成功率为86.7％,累积妊娠率为1.8％,无术中术后反应。
The specifications of low-voltage reactive power steady compensation equipments
GB/T15576-1995低压无功功率静态补偿装置总技术条件
Research of the Reactive Power Compensation System Based on Fieldbus;
基于现场总线的无功功率补偿系统的研究
The output power can never equal the input power, for there are always losses.
输出功率绝不能等于输入功率，因为总存在着损耗。
Research on Intelligent Thyristor Converter Based on CAN Bus;
基于CAN总线的智能化励磁功率柜的研究
Total Radiant Power of Electric Dipole Radiation in Anisotropic Medium;
振荡电偶极子在各向异性媒质中的总辐射功率
The Innovative Design of Structure for the High Speed Motorized Spindle
大功率高速电主轴总体结构方案的创新设计
Control System of Laser Power Supply Based on RS-485 Bus
基于RS-485总线的大功率激光电源控制系统
The ratio of the energy delivered by a machine to the energy supplied for its operation.
功率机器做一定功所发出的能量与其总能量的比
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。
full power trial
全功率试车全功率试航
output-input ratio
输出功率与输入功率比
Pulse power (peak power)
脉冲功率(峰值功率)