Product Safety and EMC and environment background knowledge.

产品安全，电磁兼容及气候环境条件的基本知识。

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Its radon pollution is low, near to the environment background value.

氡污染水平较低，接近环境本底水平值。

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Now if we set the environment background to white and render out a shot you'll see you only get the object and the shadows it casts.

现在如果我们将场景的环境背景设置为白色并渲染出，你发现你只得到了小车物体和它投下的阴影。

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So generally and those of you coming from high school computer science background probably used An Integrated Development Environment which actually is a gooey with menus and icons and such.

对于你们这些,有着高中电脑知识背景的同学可能一般用,即“集成开发环境“,它有一些菜单，图标等等。

哈佛公开课 - 计算机科学课程节选

If I present the same thing in another context or background or environment, then you react very differently.

如果我用另一种表述方式来叙述同样的事件,或者更换背景及环境，你的反应会完全不同。

耶鲁公开课 - 金融市场课程节选

Reas had a working relationship with The Creators Project, and according to Hunter he was interested in applying his craft to a more performative environment and exploring creative concepts outside his background.

FORBES: A Look At The Creative Process Behind Yeasayer's New Performance Visuals

"We did lot of work on creating a completely digital environment - the entire field, the forest in the background is completely digital - and on digital doubles, digital replacements for humans, " she said.

BBC: Hollywood FX queen home to boost

"The England team say they have got no distractions with the IPL but when you have all these background influences going on it is not the best environment to give your best performance, " Gooch added.

BBC: England have no direction - Gooch