发射的时候只需要把它的部件扣装在一起，然后往空中投掷即可，会有电动推进器带动其升空。
Launching it is a matter of snapping the parts together and throwing it into the air, whence it is carried aloft by an electric propeller.
先进的电池正逐步退出专业化市场，逐渐进入主流市场，这标志着电动车和屋顶太阳能推进器等前瞻性技术迎来了一个转折点。
Advanced batteries are moving out of specialized markets and creeping into the mainstream, signaling a tipping point for forward-looking technologies such as electric cars and rooftop solar propels.
当要起飞时只需要将各组件组装一起后将飞机扔向空中，它通过携带的电动螺旋桨推进器升上天空。
Launching it is just a matter of snapping the parts together and throwing it into the air, whence it is carried aloft by an electric propeller.
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