常見例句雙語例句There is no change in the motion of a body unless a resultant force is acting upon it.除非有一合力作用于物體上，否則物體的方向是不會發(fā)生變化的。Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?那么單擺在振動過程中，切向力、法向力及合力的大小和方向是否在變化?。權(quán)威例句But all the trouble and resultant bad press would probably force RIM to settle quickly--and on NTP's terms.FORBES: Magazine Article 返回 resultant force