Compared with half peak voltage level trigger manner, the measurement accuracy is improved significantly and the application field of digital optical screen is expanded.

与传统的峰值一半电平触发方式相比，能够显著提高测试精度，从而扩大了光幕靶的使用范围。

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Letters and other characters on the screen are formed out of ink that has a high optical contrast with the background, making them easy to read.

在屏幕上的字体由墨水形成，与背景形成很高的光学对比度，使之便于阅读。

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The two-pound device had a seven-inch screen, no optical drive or hard drive, and occupied half the space of a typical notebook computer of the day.

该设备，重2磅，配有7英寸屏幕，不带光驱和硬盘，而且所占空间只有如今标准笔记本电脑的一半。

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The FlexScan T1751 uses optical imaging touch screen technology which accepts input from a bare or gloved hand as well as a touch pen.

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By eliminating the need to retype text from print media onto the screen, Optical Character Reader saves users a great deal of time.

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An optical track pad and touch screen ensures the interface is easy and simple to use.

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