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多元函数的极值, 多元函数偏导数的求法.用英语怎么说？

多元函数的极值, 多元函数偏导数的求法.

Extremal multi - function, multi - function partial derivative method.

相关词汇
extremal function partial derivative method

extremal

adj. 极值的；
例句
The representation theorem with order - extremal points is obtained for compact order - convex sets.
研究了序凸集的一些运算性质,得到了紧序凸集的序端点表示定理.

function

n. 功能，作用，应变量，函数，职务，重大聚会；vi. 有或起作用，行使职责；
例句
His function is vital to the accomplishment of the agency's mission.
要完成该机构的使命，他的作用至关重要。

partial

adj. 部分的，偏爱的，偏袒的，钟爱的；n. [数学]偏微商；
例句
The Partial Test-Ban Treaty bans nuclear testing in the atmosphere.
《部分禁止核试验条约》禁止在大气层中进行核试验。

derivative

n. [数]导数，微商，[化] 衍生物，派生物，[语]派生词；adj. 衍生的，导出的，拷贝的；
例句
...a poppy-seed derivative similar to heroin...
类似海洛因的罂粟籽制剂

method

n. 方法，条理；
例句
...an accrual method of accounting.
会计学中的应计法
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
To cut a long story short, I ended up as managing director.
长话短说，我最终当上了总经理。
His employer had described him as lacking in initiative and drive.
雇主说他缺乏进取心和干劲。
The house was decked with flowers.
房子里装点着鲜花。
sulfa drug
磺胺类药物
He was vilified in newspapers.
他在报纸上受到了诽谤.
He bequeathed her all his worldly goods.
他把所有的财物遗赠给她.
Your success in life can be measured by many yardsticks.
你在生活方面的成功是可以用许多标准来衡量的.
The news cheered him up.
这消息使他高兴起来。
He has no principles at all.
他毫无行为准则。
He was my right-hand man, my lieutenant on the field, a cool, calculated footballer.
他是我的得力助手，球场上的代理人，是一个冷静而有头脑的足球运动员。