查询词典 DC

Chancellor Michell Re Michelle Rhee and other top officials of the DC D . C . school system also served in Teach for America.

米雪长官和其他的区域学校系统的高级官员也服务于"为美国而教"。

Aiming an automatic measure for DC sign in microvolt level of weighing sensors used in wireless remote control and measure of electronic suspend scale, the intelligent weighing system based on strain sensing technology is designed, in according to the intelligent characteristics for single chip microcomputer.

软件简介：基于应变传感技术的智能称重系统，是针对无线遥控、遥测电子吊秤及单遥测电子吊秤等称重传感器的微伏级直流信号进行自动测量，利用单片机的智能特点而设计的。

This enabled it to receive the microwave energy through a rectenna or disc shaped rectifying antenna receiver that converts microwave energy into DC electricity.

这使得它能够接收微波能量通过整流或圆盘形整顿天线接收器转换成微波能量转化直流电力。

The Smithsonian Migratory Bird Council of the National Zoo in Washington DC guarantees coffee with the "Bird Friendly" label.

是由华盛顿国家公园的候鸟理事会授予的。

Wuhan Kangda Electrical Co Ltd - insulation tester and earth resistance tester, water-cooled dynamotor insulation tester, electronic insulation tester, electronic insulation/continuity tester, digital insulation/continuity tester, grounding of network, earth resistance tester, lightning protected component tester, high value standard resistor, digital micro-ohm meter, phase indicator, DC milliammeter, digital level meter

武汉康达电气有限公司-电气仪表，内冷发电机绝缘特性测试仪，电子式指针绝缘电阻表，指针绝缘/导通电阻表，接地电阻测量仪，大地网地阻仪，等电位连接电阻测量仪，防雷元件测试仪

The discharge scheme widely employed currently is the high voltage DC power which uses ballast resistor to restrict current and the typical electrical parameter scales are several kilovolt and hundred milliampere.

目前流行采用的是高压直流电源加镇流电阻的放电模式，典型电参数为接近10 kV 高电压、百毫安量级的低电流。

For this purpose, the minimum modulus eigenvalue of power flow Jacobian matrix of AC/DC power system is researched; by means of the sensitivity index of nodal voltage to reactive power variation and combining with participating factor, the bus or region where the voltage instability could happen most possibly are judged to provide decision-making foundation for the configuration of reactive power compensation device in power system.

该方法研究了交直流系统潮流方程雅可比矩阵的最小模特征值，以节点电压对无功功率变化的灵敏度为指标，结合参与因子，判断全电网中最有可能发生电压不稳定的节点或者区域，从而为系统无功功率补偿装置的配置提供决策依据。

Through on-the-spot investigative research, I emphatic depend on the DC power system model of Beijing Line 1 Subway to simulate and calculate upon the various types and different sites faults.

通过实地调查研究，重点依据北京地铁1号线直流供电系统模拟图对各种类型、不同位置故障进行模拟仿真计算，并对危害程度进行分析，提出具体的运行方案和建议。

Rectifier motor - so excited DC generator string for AC motor, and the fait accompli of such motors, due to alternating current in the magnetic field and the armature circuit, while turning, the moment the direction of Constant Couple remain unchanged, it is turning non-stop.

整流电动机--使串激直流发电机，作交流电动机用，即成此种电动机，因交流电在磁场与电枢电路中，同时转向，故力偶矩之方向恒保持不变，该机乃转动不停。

The "photon gate" formed by pulse superimposed on DC level is equivalently performed by monostable circuit in pulse generator.

一种命名为电压钳控制的电流钳技术被应用来改进传统的膜片钳放大器。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。