probe character
探针字符
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In 1988 Phobos 1, a Soviet Mars probe, was sent a command sequence in which one crucial character was accidentally omitted, causing it to start tumbling in space.
ECONOMIST: Mishaps in space: Foolish, not ghoulish | The
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