For violation studies, the after period had to occur at least one year after camera installation.

关于违规的研究，照相机安装后至少一年的期间有发生违规事件。

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The camera lens focalizer has the advantages of simple structure, convenient installation and low production cost.

该相机聚焦设备的优点是结构简单，安装方便，生产成本低。

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That same year, Kodak invented the world's first installation of the portable film box camera.

同年，柯达公司发明了世界上第一台安装胶卷的可携式方箱照相机。

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For one thing, intersections typically are chosen for camera installation because they have had a spate of accidents.

WSJ: Hard to Put Red-Light Violations Under a Lens

The Magellan Wireless Back-Up Camera kit comes complete with a license plate mountable camera, transmitter, wireless receiver, vehicle power adapter, installation hardware, and instructions.

ENGADGET: Wireless Back-Up Camera for the Magellan RoadMate checks your six