要达到这个目标，滑翔机将会包含一种蜡色胶体，能够在不同温度下改变密度，这样来改变它的浮性。
To do this, the glider would contain a waxy gel that changes density under different temperature conditions, thus changing its buoyancy.
要达到这个目标，滑翔机将会包含一种蜡色胶体，能够在不同温度下改变密度，这样来改变它的浮性。
To do this, the glider would contain a waxy gel that changes density under different temperature conditions, thus changing its buoyancy.
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