space flight

基本解釋

Despite the warm words of the nation’s leaders, America’s manned space-flight programme has been becalmed in Earth orbit for decades.
盡琯縂統(tǒng)的講話熱情洋溢，但是，數(shù)十年來，美國載人航天飛行項(xiàng)目一直停畱在對於地球軌道的研究上。
In this paper the theoretic foundations and progresses on space-flight breeding were summarized, the problems and application perspective of space-flight breeding were also discussed in rice breeding.
本文綜述了水稻航天育種的特點(diǎn)、理論依據(jù)及研究進(jìn)展，討論了水稻航天育種存在的問題和應(yīng)用前景。
The great success of ShenZhou 5 space-flight added more confidence to the talents of Chinese aerospace researchers and working staff to explore space.
神州五號的巨大成功使中國航天人對自己探索太空的能力更有信心。

And NASA is also being called on to develop new technologies to solve problems involved in long-term space flight for humans and robots.
The X-15 was the first major investment by the United States in manned space flight technology.
And in nineteen ninety-eight, at age seventy-seven, he returned to space in an historic flight.

Indeed, political upheavals saw space-flight ambitions revived, then cancelled, twice during the 1970s.
ECONOMIST: China in space