海词手机词典

The acoustic attenuation coefficients and velocities of fluid mud collected from Changjiang Estuary and Hangzhou Gulf respectively have been measured with ultrasonic waves of 4 frequencies (100,150,500 and 1500kHz)in a water tank.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌