Accurate knowledge of how this air flows over a surface will provide engineers with more detailed information about resistance,” he says.
正确认识空气流过表面的过程将提供工程师更多关于阻力的详细信息 ”他说。
In just two flyby encounters, MESSENGER has already greatly increased our knowledge about Mercury's surface features.
先后两次飞越水星,“信使号”已经大大提高了我们对于水星表面特征的认知。
Planting a man on its surface required no big technological innovations, says Mr Logsdon,“just very expensive mastery over nature using the scientific and technological knowledge available in 1961”.
把人送到月球表面并不需要太大的技术投入,用劳杰斯特的话说,“用60年代的科学技术去征服自然,只不是非常昂贵罢了”。
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