descent

美音：[dɪ'sent] 英音：[dɪ'sent]

简单释义：

n.下降；血统；祖先；斜坡

网络侵袭；降下；降落

变形：

复数：descents

完整释义：

1.下降,降下
2.下降,下沉,空降
3.一代;〔古语〕子孙,后裔
4.祖籍,血统,家世,家系,〔史〕世系
5.家世,门第,血统
6.屈尊,降格
7.下坡,倾斜
8.祖先,祖先系谱,嫡系祖先
9.突然袭击
10.【法律】继承,世袭

例句：

A learning algorithm using gradient descent method is not easy to implement in an electronic circuit and has local minimum.
一般大部分网路的学习演算法皆是使用梯度陡降法，但此方法不容易实现在电子电路上，而且容易掉入局部最小化的问题。
They were all of Asian descent. And they weren't speaking any English, at least not that I heard.
排队的都是亚洲人。他们都不说英语，反正我是没听到。
Only one of every 1, 000 people of American and European descent has this mutation inherited from both mother and father.
只有千分之一的美国人或是欧洲人可能继承父母的基因变异。
For a given value of the parameter, the method searches for an optimum point of the approximate function in a descent direction.
该方法对给定的参数在下降方向寻找逼近函数的最优点。
He slid the carcass overboard and looked to see if there was any swirl in the water. But there was only the light of its slow descent.
他把鱼的残骸丢到船外，看看水中是否会出现漩涡，却只看见它慢慢下沈的光影。
In February 2007, Iran said it had launched a rocket capable of reaching space - before it made a parachute-assisted descent to Earth.
在2007年二月，伊朗称已发射一枚能够到达太空的火箭，并依靠降落伞回到了地面。
As for Jerry, once he saw that his mother had gained her beach , he began the steep descent to the bay .
再说杰里，他一看见妈妈到了海滩，就开始沿着陡峭的路向下面海湾走去。
"The evolution of the epidemic is now in its phase of descent, " he said.
“现在正处于病毒流行演变的下降阶段，”他表示。

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