•
drop out
英：
美：
常用释义：
退出
退出，脱离；辍学
退出；退学；脱离
school dropout───辍学
1、Also, children in disrupted families are nearly twice as likely to
drop out
of high school.───再者, 父母离异的中学生退学率几乎要高出一倍.
2、If you do not like the idea,
drop out
.───如果你不赞成这个计划, 你可以退出.
3、He had injured leg and had to
drop out
of the race.───他的腿伤了,不得不退出比赛.
4、You cannot
drop out
of school and just drop into a good job.───你不能指望辍学后能碰上个好工作.
5、Youd be crazy to
drop out
.───你要退学真是发疯了.
6、Michener had heard how the talented student had to
drop out
of school to work.───麦切纳曾经听人讲过这位才华出众的学生是如何被迫辍学去工作.
7、The rest of you can stay in or
drop out
, just as you wish.───你们其余的人可以参加,可以退出, 随你们便.
8、I shall
drop out
of the competition, shall not I?───我该退出竞赛, 是不是?
9、He was set on encouraging his best friend to
drop out
of school.───他被煽动鼓励他最好的朋友辍学.
10、Morse was yet another name that appeared before walrus and seems to have spread to other languages only to
drop out
of use in English.───莫尔斯是海象出现之前的另一个名字，且似乎已经传播到其他语言，唯独在英语中却不再使用。
11、Never
drop out
of a race.───–决不要在比赛中途退出.
12、Back in Anhui , he might
drop out
, as do many children of migrants.───而回到安徽, 叶云豪可能会和其他许多民工子女一样彻底失学了.
13、So, at 24, I decided to
drop out
.───于是24岁那年, 我决定中途退学.
14、When a young employee was left paraplegic and depressed after a car accident, Ella gave an office job and refused to let her
drop out
of college.───当一个年轻的雇员在一次车祸后截瘫且精神不振的时候，艾拉给了她一份办公室工作，并拒绝让她退学。
15、Also, a lot of students droped
drop out
.───也有一些学生未能完成学业.
16、He hurried on, lest he should
drop out
in the forced match.───他加快步伐, 生怕在急行军中掉队.
17、Children who are forced to
drop out
of school hope they can come back.───被迫辍学的孩子们希望能回到学校读书.
18、The necrotic tissue may
drop out
.───坏死组织会脱落.
19、I had injured my leg and had to
drop out
of the race.───我伤了腿,只好退出竞赛.
20、If you
drop out
of this race, you cant join in the national races.───如果你退出这次比赛, 就不能参加全国比赛了.
21、Research suggests that children whose parents split up are more likely to
drop out
of high school.───研究显示父母离异的孩子更有可能在中学辍学。
22、None 【 Three 】 of the runners dropped out . If you do not like the idea ,
drop out
.───赛跑的人全都跑到底了 【 有三个没跑到底 】.
23、Victor had to
drop out
in his junior year when he developed lung trouble.───维克多在大学三年级时因患肺病而不得不退学.
24、Other media reps begin to
drop out
.───其他媒体的代表也开始放弃这一会议.
25、The workers decided to
drop out
of the organization.───工人们决定退组织.
26、People who
drop out
early return with food, drink and encouragement for those still standing.───提前退出者会带着食品 、 饮料回来给那些继续坚持的人以鼓励.
27、He had to
drop out
of the race because his leg was injured.───因为他的脚受伤了,他不得不退出比赛.
28、Research suggests that children whose parents split up are more likely to
drop out
of high school.───研究表明，父母离异的孩子更容易从中学中途退学。
1、crops out───突然发生；出现
2、drove out───赶走；逐出
3、cop out───逃避；放弃；自首并告密；避重就轻地认罪
4、dropout───n.中途退学；辍学学生
5、drop-out───退出；退学；脱离
6、drop-outs───n.退学；放弃（dropout的复数形式）
7、drop outs───n.退学；放弃（dropout的复数形式）
8、crop out───突然发生；出现
9、drops out───退出；退学；脱离
在神经网络中，dropout是一种很常用的操作。
在训练的时候以一定的概率随机丢弃网络中的某些节点。
每个batch的训练都是在训练一个网络，结果就是很多网络的叠加，类似bagging
ps. 二项分布：n次相互独立的伯努利分布，伯努利分布指的是（0-1）分布。
在
3.1中的步骤2
，会除以keep_prob，解释如下：