The artificial earth satellites occupy a peculiar intermediate position between science and technology . 人造地球衛(wèi)星在科學(xué)和技術(shù)之間占有一個獨特的中介地位。
In comparison with the classical lunar theory the motion of an earth satellite offers important practical differences . 與經(jīng)典的月球理論相比較,地球衛(wèi)星的運動有顯著的實際差別。
When was china ' s first man - made earth satellite launched 中國的第一顆人造地球衛(wèi)星是什么時候發(fā)射的?
Another man - made earth satellite was put into orbit last month 上個月又一顆人造地球衛(wèi)星被送入軌道。
China succeeded in launching its first man - made earth satellite in1970 1970年中國成功地發(fā)射了第一顆人造地球衛(wèi)星。
China succeeded in sending up another man - made earth satellite yesterday 昨天,中國有成功地發(fā)射了一顆人造地球衛(wèi)星。
Earth satellite vehicle 地球衛(wèi)星運載火箭
China successfully launched its first man - made earth satellite in april 1970 中國于1970年4成功地發(fā)射了第一顆人造衛(wèi)星。
It is reported that china has sent another man - made earth satellite into orbit 據(jù)報道中國又成功地發(fā)射了一顆人造地球衛(wèi)星。