单词chain-rule
na.: 【数】连锁法
网络: 链式法则；连锁律；连锁法则
【数学】连锁法
OK, this guy, by the chain rule, is the rate of change of f if I take x and y to be functions of t.
由链式法则，这是——，如果把x和y看成t的函数的话，它是f的变化。
The chain rule tells us, so we will want to differentiate - -- the formula for a with respect to theta holding a constant.
链式法则告诉我们——保持a不变，对这个公式关于θ做微分
Well, we can answer that. The chain rule is something like this.
可以用链式法则来回答这个问题。
Well, of course we know the answer because that"s a special case of the chain rule.
我们当然知道答案了，因为这是链式法则的一个特例。
So, we have to use the chain rule.
这里我们利用链式法则。
I"ve seen this one before in the chain rule.
这在链式法则里面看到过。
what does the chain rule tell us?
链式法则告诉了我们什么？
Well, we could use differentials, like we did here, but we can also keep using the chain rule.
我们可以用微分，就像这样，也可以用链式法则。
follow the ecological chain rule, establish a rational human resource structure ;
遵循生态链法则，建立合理的人力资源结构；
Comments and Research on Proofs of Chain Rule
对复合函数求导定理证明的评论与研究