最后，设计并研发整个仪器，系统包括半导体激光器、测量传感器、放大电路模块、单片机系统、LCD显示模块和供电模块。

At last, the whole instrument is designed and realized, that includes the LD, PSD, the measure sensor, magnified circuit, single chip, LCD screen and power module.

youdao

最后，设计并研发整个仪器，系统包括半导体激光器、测量传感器、放大电路模块、单片机系统、LCD显示模块和供电模块。

At last, the whole instrument is designed and realized, that includes the LD, PSD, the measure sensor, magnified circuit, single chip, LCD screen and power module.

youdao