... emissions-trading ==> 排出権取引 emissive frequency ==> 发射频率 emissive material ==> 放射性材料=>电子放出物质 ...
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The SCP of backscattering signals approach the emissive center frequency with increase of ages.
随年龄的增大，质心位置越接近于发射超声的中心频率。
This paper analyses the harms made by video frequency interrupt in the performance of TV emissive device and the preventing measures.
简要分析电视发射机运行中视频中断产生的危害，以及具体的预防、保护措施。
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