常見例句雙語例句Well, the acceleration vector there will be zero from one.加速度矢量為。So, what that means is that if I look at my trajectory at this point, that the acceleration vector is pointing in that direction.這意味著如果我們?cè)谶@點(diǎn)觀察運(yùn)動(dòng)的軌跡,它的加速度是指向這個(gè)方向的。So, the definition will take effect. The acceleration is as a vector, and the acceleration vector is just the derivative of a velocity vector.有必要對(duì)加速度給出一個(gè)嚴(yán)格的定義,加速度,作為一個(gè)矢量,是速度的一階導(dǎo)數(shù)。原聲例句You can take a derivative of the derivative and you can get the acceleration vector, will be d^2r over dt^2, and you can also write it as dv over dt.你可以對(duì)導(dǎo)數(shù)再求一次導(dǎo),你就可以得到加速度矢量,也就是 d^2 r / dt^2,你也可以寫成 dv / dt耶魯公開課 - 基礎(chǔ)物理課程節(jié)選The advantage of introducing that guy is that if you like, I can now write an equation for the acceleration as a vector.引入它的好處是,如果你愿意的話,我可以把加速度寫成矢量形式耶魯公開課 - 基礎(chǔ)物理課程節(jié)選I want to consider a particle which has definite acceleration a, a constant one, but a is now a vector.我想考慮一個(gè)加速度為 a 的質(zhì)點(diǎn),加速度恒定,但 a 是一個(gè)矢量耶魯公開課 - 基礎(chǔ)物理課程節(jié)選 返回 acceleration vector