... emission factor 排放系数 emission frequency 发射频率 emission monochromator 发射光单色器 ...
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very low frequency emission 甚低频发射
extremely low frequency emission 超低频放射 ; 超低频发射
stimulus frequency otoacoustic emission 耳声发射 ; 频率刺激耳声发射
radio-frequency emission testing 无线电频率放射测试
frequency band of emission 发射频带
frequency emission 射频发射
standard frequency emission 标准频率发射
The emission part adopts the most advanced frequencies synthetic technique, having stable emission frequency.
发射部分采用最先进的频率合成技术，发射频率稳定。
Through compaction hardness and analog shear rock failure test to drilling core, the paper discusses the possibility of discriminating downhole rock type by using rock acoustic emission frequency.
通过对钻井取心岩样压入硬度及模拟剪切的破岩试验，探寻利用岩石的声发射频率来判别井下岩石类型的可能性。
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