Such batteries are already in use, but mainly in stationary applications.

这种电池已经使用，但主要应用于静止设备中。

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He recommends that patients ride tricycles, or use stationary bikes or trainers - devices that turn road bikes into stationary ones.

他建议患者骑三轮车，或使用固定脚踏车或训练器——这是设备将公路自行车转变为原地脚踏车。

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Use nice stationary and after Valentine's Day get the pages bound together so it can be a keepsake.

使用好的固定在情人节得到页捆在一起可以作纪念。

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As mobile devices now become, in effect, computers for accessing the wider web, these online services are also moving from stationary to mobile use.

ECONOMIST: Kith and kin get closer, with consequences for strangers