An activity frame represents current activity and allows adding activity parameters by using input or output pins.

活动框架代表了当前的状态，并通过使用输入和输出针脚来允许添加活动参数。

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We show the queries in the upper left frame, the rendered SVG output in the lower frame, and the non-spatial attributes in the upper right frame.

左上角的框架显示查询，下面的框架显示s VG输出，右上角的框架则显示非空间属性。

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Typically there is no need to have an extra style sheet for a frame if the output format is less complex than HTML, such as WML.

如果输出格式没有HTML那样复杂(例如WML)，则通常没有必要对框架使用额外的样式表。

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Regular readers will be thrilled that our old friend, the construction sector, is in the frame again - the sharp fall in output in this sector in December is very much an estimate, which some consider a little fishy.

BBC: Straws of hope from GDP

Think of it this way: if we took one-thousandth of a second of footage from the femto camera video output and slowed it down to the speed of 30 seconds per frame -- the approximate speed of a standard TV broadcast -- it would take us a lifetime to watch.

CNN: A camera that can see around corners