学员通过驾驶员座舱和显示器与教练机相互作用，以进行测试，并充当故障检修员。

The student interacts with the trainer via the cockpit and displays to test and troubleshoot.

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空白显示，通常因故障而造成的显示器上没有任何指示。

BLANK display, a display that does not have any indications, normally due to failure.

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定期清理保养系统主机、打印机、显示器、鼠标、键盘，并处理系统常见故障。

Provide regular maintenance and service for the central processing unit, the printer, the display, the mouse, and the keyboard. Deal with the usual troubles in the computer system.

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