1·It produces an inverted sound wave to cancel out unwanted noise in the headphone signal.
随后它便产生逆向声波从而消除耳机信号中不需要的噪声。
2·"It's like a sponge - the gas sucks up heat in one location and then gets transported by the sound wave to another location where the heat gets squeezed out of the gas," he says.
“它就像一块海绵————气体中一处吸收热量然后通过声波传到另一处并把热量排出。”他说。
3·Analog signals vary continuously; an example of an analog signal is a sound wave.
模拟信号是连续变化的；声波就是模拟信号的一个例子。
4·A method where the direction of light passing through a crystal is changed using a high frequency sound wave.
在那里光的指示过去的一种方法透过一颗晶片被使用高的频率声波改变。
5·The frequency of a sound wave, perceived as pitch, is the number of compressions that pass a fixed point per unit time.
声波的频率就是感觉的音调，是单位时间通过定点的压缩数目。
1·The farmland Yu still hears the mirth voice of having the child while hearing sound wave and still spread the voice of pounding the wall at the same time.
田宇在听到音波的同时还听到有小孩子的欢笑声，同时还传来敲击墙壁的声音。
2·It makes up of pedrail style drive organization, ultra sound wave cleaning trough, spray system, drying system, circulation filter system and separate device of oil and fog.
由履带式传动机构、超音波清洗槽、喷淋系统、吹干系统、循环过滤系统、油雾分离装置等组成。