锚定表面可能是必要的，但小行星是由不同材料构成-一些固体金属，一些瓦砾和一些的岩石，鹅卵石和尘埃的组合桩。
Anchoring to the surface will probably be necessary, but asteroids are made up of different materials - some solid metal, some piles of rubble and some, a combination of rock, pebbles and dust.
锚定表面可能是必要的，但小行星是由不同材料构成-一些固体金属，一些瓦砾和一些的岩石，鹅卵石和尘埃的组合桩。
Anchoring to the surface will probably be necessary, but asteroids are made up of different materials - some solid metal, some piles of rubble and some, a combination of rock, pebbles and dust.
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