spacecrafts

常見(jiàn)例句

How many spacecrafts are orbiting the moon?
有多少航天器繞月球軌道飛行？
The rotation dynamic and quaternion kinetic equations of spacecrafts were educed according to the principles of variable-structure control.
根據(jù)滑動(dòng)模態(tài)變結(jié)搆控制原理，導(dǎo)出了航天器三軸動(dòng)力學(xué)和四元數(shù)姿態(tài)運(yùn)動(dòng)學(xué)方程。