The wave-proof sleeve is a kind of shielded copper braiding sleeve for preventing the interference of electric wave or playing the effect of protection.
防波套是用于防止电波干扰或起保护作用的屏蔽铜编织套。
Frequency, current, voltage and pulse width of successive wave and intermittent wave were similar. Frequency, current, voltage and pulse width of sound electric wave changed continuously.
连续波与断续波（续波）的频率、电流、电压、脉冲宽度均相同，声电波的频率、电流、电压、脉冲宽度均为不断变化的。
The method of calculating the reflection point positions and path clearance of the electric wave at the level ground and mountainous region for the microwave relay communication is described.
本文叙述在微波中继通信中，确定和计算电波在平坦地面和起伏山地的反射点位置及路径余隙的方法。
Electric wave form was one of the key factors in anodizing, and selecting pulse DC power enabled the oxidizing film to have good quality;
结果表明：电源波形是钛合金阳极氧化着色过程的关键因素之一，选择脉冲直流电源可以获得较好的着色膜性能；
In order to raise the accuracy of radars, the warship-radar generally depends on the electric-wave refractive correction of errors.
为了提高雷达精度，舰船雷达一般都进行电波折射误差修正。
In order to raise the accuracy of radars, the warship-radar generally depends on the electric-wave refractive correction of errors.
为了提高雷达精度，舰船雷达一般都进行电波折射误差修正。
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