为了实现安全着陆小天体，探测器必须具有自主导航、制导和控制的能力。

Probe must have the ability of autonomous GNC to perform landing safely.

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当一个事件发生后该探测器仅激活安全灯。

The detector only activates security lights when an event has occurred.

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当一个事件发生后该探测器仅激活安全灯。

The detector only activates security lights when an event has occurred.

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