The zoom controls in the upper left hand corner change the scale of the map.

左上角的缩放控件能够改变地图的比例。

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Some widgets provided by Android are more complex, like a date picker, a clock, and zoom controls.

Android还提供了一些更高级的工具，比如日期选择、时钟以及缩放控制。

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You can show or hide the zoom controls on the graphs by using show zoom controls on the toolbar.

可以使用工具栏上的“显示缩放控件”来显示或隐藏关系图上的缩放控件。

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The new W710 camera features a 16.1 MP Super HAD CCD sensor with a 5x optical Sony zoom lens and large physical controls for straightforward, hassle-free shooting.

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We noticed a minor amount of lag with the live video stream but the controls (shutter, zoom, flash, timer, image size) were quite responsive.

ENGADGET: Samsung Galaxy Player 4.2 remote viewfinder hands-on (video)

Use the map controls in the bottom left corner to zoom in and out and move about, or you can use your mouse point to draw a square and zoom in on a specific area.

BBC: Netvibes website