protection of outer space
保护外层空间
以上为机器翻译结果，长、整句建议使用 人工翻译 。
At present, outer space is faced with the danger of weaponization, and protection of outer space from weaponization and an arms race has become a very urgent and realistic issue.
当前外空面临武器化的危险，防止外空武器化和外空军备竞赛，已成为十分紧迫的现实问题。
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