We found a bigger difference for queries that touch a large number of rows, such as a table scan over all 20,000 XML documents with string comparison on every document.

我们发现涉及大量行的查询的性能差异比较大，比如对所有20,000个XML文档进行全表扫描并对每个文档比较字符串。

youdao

More searching finally got her in touch with Laureys, who put Houben through a PET scan that indicated he was conscious.

继续搜索终于让她联系到罗瑞，罗瑞给侯本做了正子扫瞄，显示他有意识。

youdao

While the processor and one or more system clocks are disabled, the sensor panel device can periodically autonomously scan the sensor panel for touch activity.

当处理器和一个或多个系统时钟被停用时，传感器面板设备可以针对触摸活动周期性自主地扫描传感器面板。

youdao

Consumers can simply plug it in, insert their photo through the slim device, and, with a single touch of a button, scan photos onto the included SD card.

ENGADGET: Pandigital Personal Photo Scanner/Converter cuts the cable, writes to memory cards

Crist said he hopes to have all the state's touch-screen machines replaced by optical scan systems in time for next year's presidential election.

NPR: Florida Move Would Back Up Electronic Voting

Auto-scan and save your favorite FM Radio stations and select your chosen station from the station logo at the touch of a button, or use the multi-source in-app media player to choose the soundtrack to your wake-up from your iTunes, Spotify account or network music.

ENGADGET: Gear4 spreads Lightning connector love with $129 alarm clock, $79 portable speaker dock