所述的主机由单片机、打印机、显示器和面板键盘组成，单片机分别与打印机、显示器和 面板键盘连接。

The main unit is composed of a SCM, a printer, a display and a panel keyboard, the SCM is respectively connected with the printer, the display and the panel keyboard.

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便携式计算机、彩色打印机及主测量系统等组成。

It is made up of a portable computer, a color printer and the main measurement system.

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便携式计算机、彩色打印机及主测量系统等组成。

It is made up of a portable computer, a color printer and the main measurement system.

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