This laser power can control adjustable resistance internal to change the level of transmitting power using the digital resistance DS1867.
利用数字电位器ds1867实现了对激光器电源内部电阻的控制，从而改变激光器发射功率等级的目的。
This simulator has several advantages, e. g. low frequency, high power, and its transmitting sound level is adjustable, which could meet the engineering demands of kinds of open sea tests.
模拟器具有低频、大功率等优点，并且发射声源级可调，可满足多种海上试验的工程需要。
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