1·Sometimes if I'm in the middle of a sentence or the middle of a derivation, I may have to go over by a couple of minutes.
有时候如果我正在讲解一句话，或者正在推导一个公式，我会稍微多讲几分钟。
2·And so what I'll go through I s a simple mathematical derivation.
我们要进行的就是，一个很简单的数学推导。
3·It's about a five, six minutes derivation.
现在推导大致需要约五六分钟。
4·This is what we now call the equation of continuity, one of the relationships necessary for the derivation of the wave equation.
这就是我们现在所说的连续性方程，推导波动方程的必要条件之一。
5·But the point is, the derivation doesn't yield a linear relationship for either the gas or the liquid part of the coexistence curve.
关键点是，推导的结果不是线性的，对于共存曲线的气体，和液体部分都是这样。
1·Derivation in word formation of the most dynamic, it is through the root before and after adding prefixes and suffixes and form more new words.
派生法在构词法中最有生气， 它是通过在词根前后添加前缀和后缀而构成更多新词。
2·For neologisms in Netspeak English, the highly productive lexical formation means are abbreviation, compounding and derivation;
在词汇层次上，网络英语新词中构词能力强的构词方式包括缩略，合成和派生法；