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.
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.
实验仪器、计算器、手表的数字读出大多是二极光显示。
Most digital read-outs on laboratory instruments, calculators and watches use LED display.
应用推荐