名词短语中文翻译
中文翻译：水下发射和方向频率
同义词：
['underwater emissions', 'underwater propagationfrequencies']
例句：
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1. Theunderwater emissions from the submarinewere detected by the remote sensors.
潜艇的水下发射被远程传感器检测到。
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2. Thedirection frequencies of the waves were measured todetermine their speed.
测量波浪的方向频率以确定其速度。
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3. The underwater emissions are crucialfor communication between the surface and the deepsea.
水下发射对于表面与深海之间的通信至关重要。