所有读出器组件都有过量程保护，并且配置软管、提箱和说明书。

All readout kits feature overrange protection and are equipped with hoses, carrying case and instructions.

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一个数字读出器亮了起来。是二点几几。2.8955。将近三秒。

A numerical readout lit up. It was two point something something. 2.8955. Almost three seconds.

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条形码读出器就是光电子扫描仪，它们可以把条形码转换为数字代码。

Bar-code readers are photoelectric scanners that translate the bar code symbols into digital code.

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