Even though Titan lacks sunlight, NASA's Huygens probe detected what looked like liquid methane on the mini planet's surface in 2005.

虽然泰坦上缺少阳光，NASA的惠更斯号探测器于2005年在这颗微型星球表面探测到一些类似液态甲烷的物质。

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The radar, called the Mini-SAR, sends pulses of left-polarized radio waves out to measure the surface roughness of the moon.

那个叫做Mini-SAR的雷达，通过向月表发射左旋极化电磁脉冲来测定月球的表面粗糙度。

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With the fine metal polish, mini electric drill and cotton bud can be used to clean the metal surface, and the effect is good.

用微型电钻和棉签配合精细金属抛光膏，可用于清洁金属表面，效果很好。

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Marshall attended the appeals court arguments in a wheelchair in December and had health issues surface at his trial: a mini-stroke and a fall in a courthouse restroom.

WSJ: Astor son, 88, loses appeal, could face prison