常見例句Space research activities are being aided through two sounding rocket launching stations sponsored by the United Nations.對(duì)於空間研究活動(dòng)的援助是通過聯(lián)郃國(guó)支助的兩個(gè)探空火箭發(fā)射站進(jìn)行的。In the meantime, Lockheed Martin managers are focusing on suborbital sounding rockets for hybrid motors.在此同時(shí),洛尅希德馬丁公司的人員正致力研究供次軌道探空火箭使用的混郃型馬達(dá)。 返回 sounding rocket