"And in fact, the insurgents - you know, the poppy season is over - they have gone back to get their weapons.
VOA: standard.2010.05.26
So on the one hand--temporal sequence-- first you know Ruth, you meet Ruth, you get to know Ruth.
所以一方面,按时间顺序来说,你需要先知道露丝,见到露丝 了解露丝
and I did that, and it was a nice, kind of get-to-know-people thing.
我参加这个活动是因为这个活动很好,还能帮助我认识更多的人。
Dr.Vallenas says many mothers are discouraged from breast-feeding because they do not know how to get their baby to latch on properly to the breast's nipple, or because they suffer pain and discomfort.
VOA: standard.2009.08.01
As early as 1803, we know he's working on-- Trying to get this to work just right.
早在一八零三年,我们就知道他开始,努力去使它恰如其分
You're not going to need to know a lot about this for this course, but this is--I wanted to get the basic ideas down.
对于本门课程来说,你不必,对刚才讲的概率的知识有很深入的了解,我只想介绍一些概率论的基本概念
But we said earlier that, you know, we're going to get - to the point where we want to have a lot of pieces of -- a lot of variables in memory, maybe 140,000 dictionary words for some future peace set, but we don't want to enumerate line by line by line 140,000 variables.
但是我们之前说过,你们知道的,我们将获得,有很多块--很多变量的内存的指针-,可能有140,000个单词的集合,但是我们不想一行行地列举,140,000行变量。
You could have--you know, snuck into my house, watched my body go to sleep, get up in the morning, follow the body around over the course the day, see it go to sleep again.
你可以偷偷地,溜进我家,看着我的肉体入睡,早上又醒来,你可以跟着我的肉体整天到处跑,到晚上再看着它入睡。
The only place q1 appears here is here, so when I differentiate again I'm going to get -2b and sure enough that's negative, which is what I wanted to know, just to check that when I'm finding this thing, I'm finding a maximum and not a minimum.
只有这一处有q1,因此二阶导数是-2b,它肯定是个负数了,这正是我们想得到的结果,这就验证了我们刚才得出的,是最大值而不是最小值
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