A fixed capacity compressor is usually fitted with an electromagnetic clutch giving the A/C system an ability to engage and disengage drive to the compressor.
一个固定电容压缩机通常配有一个电磁离合器，这两者共同作用使得A/C系统能够连接和断开到压缩机的驱动。
Maxwell showed that light was a vibration in the electromagnetic field, and that it travelled at a constant speed, c, in a vacuum.
马克思·威尔指出光是种电磁波，其在真空中的传播速度是个常数c。
Li C Y. Yuan H Q. Yang L S Measurements of the mechanical and electromagnetic properties of rare earth giant magnetostriction materials.
袁惠群。李成英。周卓稀土超磁致伸缩材料应力与电磁耦合特性的实验研究。
SIGINT(Signal Intelligence) satellite is used to detect, intercept a nd locate electromagnetic(EM) signals radiated by systems such as ground radar, communication and TT&C systems.
信号情报侦察卫星用于侦收地面雷达、通信和测控等系统所辐射的电磁信号并对其定位，是航天侦察的重要手段。
Control and indicating equipment (c. i. e) meets the requirements of GB4717-1993. The test items include Electrical transient bursts , Electrostatic discharge , and Radiated electromagnetic fields.
火灾报警控制器应符合GB4717-1993 标准的要求。检测项目有：静电放电；辐射电磁场；电快速瞬变脉冲群。
As an example, the operation frequency of TT&C and data transmission(TTC&DT) and the attenuation constant of electromagnetic wave through the blackout zone are estimated.
作为一次练习，估算了测控通信系统的工作频率、电波穿过“黑障”区的衰减常数；
As an example, the operation frequency of TT&C and data transmission(TTC&DT) and the attenuation constant of electromagnetic wave through the blackout zone are estimated.
作为一次练习，估算了测控通信系统的工作频率、电波穿过“黑障”区的衰减常数；
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