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- earth current meter 大地电另
- A 10~(-14)A pico-ampere current meter made of integrated circuit CA3420 is presented. 用集成电路CA3420可制成10~(-14)A高灵敏微电流计。
- We have got the instrument (pressure gauge, thermometer, tachometer, current meter, universal meter) ready for the experiment (test). 我们已经准备好做实验（试验）的仪器（压力表、温度计、转速计、电流表、万用表）。
- The design and commissioning of a new on-line monitoring device of transformer core earth current based on GSM are introduced. 介绍了一种新的基于gsm通信的变压器铁心接地电流在线监测装置的设计及调试的情况。
- We hae got the instrument (pressure gauge, thermometer, tachometer, current meter, uniersal meter) ready for the experiment (test). 我们已经准备好做实验（试验）的仪器（压力表、温度计、转速计、电流表、万用表）。
- To use the elements,you should prepare the adjustable transformer or silicon controlled transformer,voltage meter,current meter and autocontrol temperature meter etc. 使用元件必须配备调压变压器或可控硅调压器及电压、电流表和温度自动控制仪表等。
- To derive the residual low frequency current velocity, one usually deploys current meter moorings over 25 hours or more to remove the diurnal and semi-diurnal tidal components. 若要得到低频流速（主要是平均流及周期大于一天的海流），通常会施放流速仪，测量海流时间超过25小时，才能将全日潮和半日潮的成分滤除而得低频流的流速。
- Data Analysis Center for Geomagnetism and Space Magnetism, which belongs to World Data Center, provides lots of data, such geomagnetic data, Earth current data, satellite data, etc. 京都地磁学中心是世界数据中心的组成部分，提供了大量数据，包括地磁数据、大地电流数据、卫星遥感数据等。
- This method, which possesses very strong adoptability for the test site and larger detecting depth, has no influence of earth current and earth ma gnetism, and has wide application prospect. 该方法对测试场地适应性很强,不受地电地磁影响,探测深度较大,具有广泛的应用前景。
- Electric control board control all the operation of spray drying operation, it include voltage meter, electric current meter, AC thermograph, air switch, adjusting pressure meter, control meter, etc. 喷雾干燥工艺过程的操作、控制集中在电气控制柜上进行，电控柜由电压表、电流表、空气开关、交流接触器、可控硅调压表、温度显示、控制仪表，可控硅，大功率二极关等电气元件组成。
- Spray nozzle and magneto electric transformation, which uses diaphragm valve and water steelingproof to compose integration of IC card water current meter by IC card and monolithic processor. 本文根据节水科学管理的要求,介绍一种采用双喷嘴侧射流测量机构和磁电转换的流量测量原理,利用隔膜阀控制机构和防窃水结构,由IC卡和单片机系统组成的一体化IC卡水表。
- At present, method of thermal current meter, hotbox method, infrared thermal perturbation of the external walls in China are main methods to measure the heat transfer coefficients. 现阶段,热流法、热箱法,热红外摄像仪法是我国测量外墙传热系数的主要方法。
- long range earth current communication s 远程地电流通信系统
- Long Range Earth Current Communications 远距离大地电流通信
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- They lowered nets, dredges, bathythermographs, still cameras, water bottles, coring pipes,current meters. 他们沉降下去网、挖掘机、深海温度测量器、静态照相机、水瓶、以及取心钻管和测流计。
- They lowered nets, dredges, bathythermographs, still cameras, water bottles, coring pipes, and current meters. 他们沉降下去网、挖掘机、深海温度测量器、静态照相机、水瓶、以及取心钻管和测流计。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- Comparison of Electromagnetic Current Meter Sensor 电磁海流计传感器性能的比较
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
