但是，这些液晶显示器必须要背光照明才能正常工作，这就带来了更大的电池消耗，以及限制了它们体积的进一步小型化。
But these LCDs must be backlit to work properly-which can be a big battery drain and limits how small the gadgets can be made.
电脑系统控制每锭加热管温度，即时监控每锭加热管是否正常工作及工作状态，并能把监控的结果即时反映在液晶显示器屏上。
The computer system control the temperature of heater pipe, which can monitor whether the heater pipe is at normal work or not and working conditions, and the effect will be showed on the computer.
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