常見例句雙語例句Here is an example of the usefulness of the concepts of angular impulse and angular momentum.這有一個例子，可以說明角沖量和角動量概念的用途。The axial fixed position preload is applied to middle ring of the shaft, the axial rigidity of the angular contact ball bearing is obtained by the impulse excitation tests.對轉(zhuǎn)臺中環(huán)主軸施加軸向定位預緊力，通過脈沖激勵法試驗得到角接觸球軸承的軸向剛度，試驗結(jié)果與理論結(jié)果吻合較好，為轉(zhuǎn)臺研制中各軸系預緊量的控制提供了理論和實驗依據(jù)。 返回 angular impulse