电力线路的电流、电压谐波效应可以引起自同步拖动、计算机、电话等异常运行。
The current or voltage harmonic wave in power lines may cause abnormalities in self synchronization drive, computer, telephone, etc.
由于无零序电流，对电话线路干扰的影响也降低。
Also interference with telephone circuit is reduced because of the absence of zero-sequence currents.
对衡量直流输电线路电话干扰水平的等效干扰电流标准进行了系统的研究。
The equivalent disturbing current, which determines the harmonic interference noise in nearby telephone circuits, is studied systematically.
程控电话交换机过电流保护元件要求用低电阻率高性能的PT C陶瓷材料来制备。
High performance PTC ceramic material with low resistivity is desired to prepare an over-current limiter for program-controlled telephone exchanger.
在这种形式的“发电衬衫”中，这样的一种系统可以提供足够的电流，驱动于小型电子装置，比如移动电话或小型传感器，就像那些用来警告消防员防范毒素的传感器。
In the form of a "power shirt" such a system could deliver enough current for small electronic devices, such as mobile phones or small sensors like those used to warn firemen of toxins.
由于新开发的A /D转换器允许任意积分时间设定， 7461A是理想的平均测量的脉冲电流和电压的移动电话和显示器生产商。
Since the newly developed A/D converter has allowed arbitrary integration time setting, the 7461A is ideal for average measurement of the pulsed current and voltage of mobile phones and LCDs.
程控电话交换机过电流保护元件要求用低电阻率高性能的PTC陶瓷材料来制备。
PTC element as over-current limiter for program-controlled telephone exchanger is one of the important application of PTC ceramic material.
程控电话交换机过电流保护元件要求用低电阻率高性能的PTC陶瓷材料来制备。
PTC element as over-current limiter for program-controlled telephone exchanger is one of the important application of PTC ceramic material.
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