The two researchers were able to cross-check the time to an accuracy of one in 1016, an exercise proving that such clocks can be interlinked over electronic and optical circuits.

两位研究者就可以以10的16次方分之一的精度反复核对时间，这证明这样的原子钟可以通过电学和光学电路连接起来。

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Optical aligned check for shaft system after boring.

轴系镗孔后光学校中检查。

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Sorting technologies in postal services, including optical character recognition (OCR), video complement and address check via bar code have reached the world's top level.

邮政光学字符识别（OCR）、视频补码、码址校验等分拣技术处于世界领先水平。

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We had an opportunity to check out both camcorders, and were quite impressed, especially when it came to the Balanced Optical SteadyShot and (relatively) powerful built-in projectors.

ENGADGET: Sony Handycam PJ790V and PJ650V get brighter projectors with HDMI input, we go hands-on