720p is the minimum usable installation video size; if you don't have component or DVI output working, use text.

720p 是安装时能够使用的最低视频大小；如果没有分量或 DVI 输出，请使用文本模式。

youdao

If the maximum pool size has been reached and no usable connection is available, the request is queued.

如果已达到最大池大小且不存在可用的连接，则该请求将会排队。

youdao

The express mail program that is supplied with the device is minimal and provides a limited usable screen size for reading mail in landscape mode.

FORBES: Why You Want The Microsoft Surface Pro (And Why You Don't)

Unfortunately, there are no usable estimates of the size of such imbalances.

ECONOMIST: Interventionist

Over in Germany, researchers unveiled a technique that harnesses the power of lightning to break up concrete into usable building materials and scientists at MIT built a tiny, caterpillar-size robot that can transform into almost any shape.

ENGADGET: Inhabitat's Week in Green: madder root batteries, sun-powered plane and the world's first fiber-optic solar cell