微型电池的供能能通过无线电波充电。
The tiny batteries that power them can be recharged by radio waves.
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目前，多数微型无人机依靠电池驱动，因此航程很短。
At the moment, most small drones rely on battery power, so their flights are short.
是有可能的权力，直至它的这些微型，小型电池。
It is possible to power up it by these tiny, light battery.
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