Their SpaceX capsule made a fast and fiery re-entry through the Earth's atmosphere, before four parachutes opened to take them to a gentle splashdown off the coast of Florida.
另据知情人士透露，SpaceX 目前正筹备公开上市，市场普遍预计这或将成为史上最大规模的首次公开募股（IPO）。
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Medical research
The attack surface is smaller. The boundary is the same.