Therefore, it is recommended that you use whitelisting to clean up potentially dangerous input.

因此，推荐您使用白名单来清除具有潜在危险性的输入。

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The newest recommended practice from IEST is RP-CC-019 Qualifications for Organizations Engaged in the Testing and Certification for Cleanrooms and Clean-Air Devices.

环境科学技术学会（IEST）最新推荐的文件为RP-CC-019 对洁净室和洁净空气装置进行测试和检验的相关机构的资格。

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Although not recommended, you could go for a straight clean look trimmed of most graphics.

虽非强求，但你可以修整一下图片使得界面看起来清爽些。

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In the Linz steel plant, clean as a whistle and done up in a colour scheme recommended by a feng shui expert, there is hardly anybody to be seen.

ECONOMIST: Who says heavy industry has had its day?