如果许多可伸缩天线附着在微型无线电收音机上面，并且放置于大桥内部，它们就会随着桥相应地伸展或收缩，这样就会经常性的自我调谐。

If lots of flexible antennas attached to small radios were placed inside a bridge, they would expand or contract along with the bridge and so would constantly retune themselves.

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电摩采用锂电池供能，后轮也装上了电动马达，尾端还配备了人性化的可伸缩充电线。

There will be possibility to store power on lithium-ion batteries, use electric motors built into the rear wheels, and accept charge via retractable leads in the back.

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从而得到试件的电致伸缩系数。

The electrostrictive coefficient of samples were obtained.

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