A gig is 10 to the 9, so it does two operations in the length of time it takes light to get from one foot off the table down to the table. That's amazing.
因此光行进一英尺的,时间内电脑可以,进行两次基本运算,这太神奇了。
So it'll be a time once or twice a week where they will be in their office.
所以,他们大概每周有一两次会在办公室里。
Everyday remind yourself just once or twice to give yourself the permission to be human.
每天提醒自己一两次,准许自己为人。
If you took the two derivatives of this guy, In other words, Same thing there.
对这一项求两次导,也就是说,这里也是一样
And I should've said there's two quizzes and a final exam.
而且我应该已经提过了,一共有两次小测验和期末考试。
He says, "to succeed in many things or many times is 'difficult.' For instance, to repeat the same throw of dice 10,000 times would be impossible; whereas, to make it once or twice is comparatively easy."
他说,要成就很多事情,或成就一件事情很多次,是很困难的,比如,掷一万次骰子都得到同样的结果,是不可能的,但是,掷一两次却是相对容易的
Everytime I've gone to go see a show, except for maybe once or twice,
大概只有一两次例外,每次我去看一场演出时,
Then we're getting two changes per beat.
然后我们发现每一拍有两次改变。
We would only meet each other once or twice a week.
我们会一周见个一、两次。
We practice once or twice a day,
我们一天训练一到两次,
Also, I'm used to teaching this course three times a week and now it's suddenly twice a week, and so things that fell into nice 50-minute units are now being snipped up different ways, so it's pretty difficult.
还有,我的课程安排原来是一周三次,现在突然变成了一周两次了,所以原来 50分钟一节的内容,现在被拆成两部分了,这个有点儿难办
You can add something else to the answer without invalidating it, and that is anything with one power of t in it, because if you take one derivative it'll survive, but if you take two derivatives, it'll get wiped out.
你可以往答案后面加上其它东西,而且不影响结果,也就是任何t的一次项,因为你求一次导数之后它还在,但如果你求两次导数,这一项就不存在了
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