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

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。

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Then he fired up the jets on his new, smaller and sleeker, wingsuit to perform the loopings before landing safely with a parachute

接着他打着了装在他新的更为小巧光滑的滑翔翼上的喷气推进器，表演了两个冲浪空翻之后用降落伞安全着陆。

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The pilot had to perform an emergency landing.

飞机驾驶员只好实施紧急迫降。

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Miraculously the captain was able to perform an emergency landing in the Azores by gliding the powerless plane for almost 18 minutes.

CNN: A330-200: Ultra-modern and extremely safe