They used a special NASA camera and found that global leaf area had increased by 5 percent since the early 2000s.

他们使用了美国宇航局的一种特殊相机，发现自21世纪初以来，全球森林面积增加了5%。

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There's a closed-circuit television camera in the reception area.

接待处有一台闭路电视摄像机。

《柯林斯英汉双解大词典》

When you look through the camera viewfinder, force yourself to study the area surrounding your subject.

从相机取景器观看拍摄对象时，考虑拍摄对象周围区域的环境。

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"A citizen scientist outside Peoria actually sent in a photograph of a species of bumblebee, the rusty patched bumblebee,bombus affinis, that was thought to have gone extinct in that area, and was recovered by a private citizen with a digital camera."

VOA: special.2011.05.24

Users can also use popular Photoshop features such as layers, selection tools, adjustments, and filters to create mind-blowing images, or use the high quality GALAXY Note 10.1 camera to fill an area on a layer with the unique camera fill feature.

ENGADGET: blogger-avatar

The camera is southwest of the area where the six nuclear reactors are located.

FORBES: News Roundup on Stricken Japanese Nuke Plant

Does it make people feel better who are in the particular area where the camera is?

NPR: Public Surveillance: Security vs. Privacy, Part 2