Determines whether the specified feature is installed in the system.

确定系统中是否安装了指定的功能。

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Determines whether the specified feature is currently available on the system.

确定指定的功能在系统中当前是否可用。

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Determines whether any version of the specified feature is installed in the system.

决定系统中是否已经安装指定功能的任何版本。

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The organizers specified two conditions: the design must feature the product logo and a flower motif.

CNN: JAPAN'S HIDDEN PERSUADERS

Nervous parents will like the system's geo-fencing feature that reports when the car has gone beyond a specified perimeter.

WSJ: A Bargain-Priced Hatch that's a Kick in the Pants