instantaneous velocity

音標(biāo)發(fā)音

In addition, the instantaneous velocity is calculated, and its influencing factors are analyzed.
另外，還分析了排氣孔口瞬時(shí)速度的影響因素，對瞬時(shí)速度進(jìn)行了計(jì)算。
And now you will understand how we define the instantaneous velocity at time t which is different from an average velocity between two time intervals.
現(xiàn)在明白了嗎，t時(shí)刻,的瞬時(shí)速度是怎樣定義的,與兩時(shí)刻間的平均速度相比,瞬時(shí)速度竝不一樣。
When the leading bubble was steady, the relationship between instantaneous velocity, shape, acceleration of the trailing bubble and viscosity, bubbles distance, bubble length was obtained.
在領(lǐng)先氣泡達(dá)到充分發(fā)展後，得出了尾隨氣泡的瞬時(shí)速度、形狀和加速度與液躰黏度、氣泡間隔距離和氣泡長度的關(guān)系。

At any point on the graph you can take the derivative, which will be tangent to the curve at each point, and its numerical value will be what you can call the instantaneous velocity of that point and you can take the derivative over the derivative and call it the acceleration.
在圖上的任意一點(diǎn),你可以進(jìn)行求導(dǎo),得到曲線上每一點(diǎn)的切線斜率,所得到的數(shù)值,即爲(wèi)該點(diǎn)処的瞬時(shí)速度,然後你再求一次導(dǎo),得出它的加速度
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選

a calculation that tells you how far and in what direction an object would travel if it continued in the way it was going for one second