a. 无人的,无人居住的
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- Voyager: Either of two unmanned U.S. interplanetary probes launched in 1977 to gather information about the Sun's outer planets.
旅行者号:美国1977年进行太空探测的两枚不载人星际探测器,其发射目的是观察外行星系。收藏 - Since then, research has advanced so rapidly that US officials believe a single microwave device carried by an unmanned aircraft could hit 100 targets with 1,000 pulses of high-intensity energy on a single sortie.
在那之后,研究工作取得了飞速进展。 美国官员认为,如果用无人驾驶飞机承载一枚微波炸弹,只需出动一个架次就可以产生1000次高能量脉冲,从而击中100个目标。 收藏 - Either of two unmanned U.S. interplanetary probes launched in 1977 to gather information about the Sun's outer planets.
美国1977年进行太空探测的两枚不载人星际探测器,其发射目的是观察外行星系。收藏 - Viking: Either of two unmanned U.S. spacecraft launched by NASA in 1975.
海盗号:美国国家航空暨太空总署在1975年发射的两个不载人的宇宙飞船。收藏 - He was unmanned by his failure in business.
他因生意上的失败而气馁收藏
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