In addition, the mobile station can also freely select another or the same base station as a reverse link (RL) serving station.

此外，移动台也可自由地选择另一个或同一个基站作为反向链路(RL)服务站。

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In a volleyball game, the server may move freely behind the end line when serving.

在排球比赛中，发球员在发球时可以在底线后面自由移动。

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Freely available data from the US Government is an important national resource, serving as fuel for entrepreneurship, innovation, scientific discovery, and other public benefits.

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