unmanned spacecraft

基本解釋

We introduce in this paper the Scatterometer mode of Multimode Microwave Sensors on board Chinese Shenzhou-4 unmanned spacecraft launched on Dec. 29, 2002.
介紹神舟4號多模態(tài)微波遙感器散射計分系統(tǒng)的研制情況和在軌實驗情況。
High Alphabet modulation is a new modulation method, which is very suitable for safety remote control aboard missile, launch vehicle, manned or unmanned spacecraft, etc.
主字母調(diào)制技術(shù)是一種新穎的調(diào)制方式，非常適合于導(dǎo)彈、運載火箭以及載人和不載人飛船的安全遙控。
The Goddard center is home to the nation’s largest organization of scientists, engineers and technologists, and is a major U.S. laboratory for developing and operating unmanned scientific spacecraft.
Goddard中心是美國最大的科學(xué)家、工程師和技術(shù)人員的組織，并且是美國主要的科研開發(fā)和經(jīng)營無人駕駛航天器的實驗室。
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