With large screen display, it can be used in teaching demonstration of error analysis theory.
还可接大屏幕显示器，供误差理论课教学演示用。
Large screen display systems have been widely in power system control centers.
大屏幕显示系统已在电力系统各类控制中心被广泛使用。
Large screen display systems have been widely in power system control centers.
大屏幕显示系统已在电力系统各类控制中心被广泛使用。
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