C 这是个非限制性定语从句,先行词是signals,by 表示方式
Ultrasonic sounds produce pulsed signals,______ various defe
1个回答
相关问题
-
Ultrasonic sounds produce pulsed signals,______ various defe
-
英语翻译The pulsed fluctuations in pressure which are produced b
-
before babies begin to produce words,they produce sounds.
-
英语翻译第一句These signals produce the familiar signs of distress:
-
英语翻译A sensor is a device which produces a signal in response
-
ultrasonic
-
even children's toys can produce sounds capable of causing p
-
The instrument produces a sound similar to a violin翻译,解释一下pr
-
We're looking for producers to join us on the sound of Londo
-
ultrasonic是什么意思