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。
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。
US scientists have made a mini prototype robot that crawls over the surface of a beating heart and performs simple repairs without major surgery.
美国科学家制造了一个机器人原型，它可以爬过跳动的心脏表面，进行简单的修复，而不必施行大手术。
应用推荐