军事武器能将太空残骸追溯到棒球大小。

The military can track space debris as small as a baseball.

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发现号航天飞机不得不避开向它飞来的太空残骸。

The Shuttle Discovery had to dodge space debris flying towards it.

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发现号航天飞机不得不避开向它飞来的太空残骸。

The Shuttle Discovery had to dodge space debris flying towards it.

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