他发现人们在制作炮管时，会产生大量的热，同时有大量的做功。
He observed when people were machining cannon barrels, a lot of heat was generated, and there was a lot of work done.
为了解决这个问题，科学家建议学生应该少做功课，多花点时间睡觉。
To solve this problem, scientists advise that students should get less schoolwork and more time to sleep.
你的父母曾经帮助过你做功课吗？
妈妈，我今晚必须做功课吗？
为了通过考试，这个孩子正在认真地做功课。
The kid is doing his lessons carefully in order to pass the test.
她正在做功课。
母亲几乎总是在家里，随时准备和孩子们一起玩、给他们念书、辅导他们做功课。
Mother was almost at home, ready to play with the children, and read to them, and help them do their home-lessons.
“那我再试一次。”乔治坚定地说；把他的半成品风筝扔到一边，再次转身进了屋，很快弯下腰来认真做功课了。
"Then I will try again," said George, in a decided tone; and, flinging aside his half-made kite, he turned and re-entered the house, and was soon bending in earnest attention over his lesson.
在我们周围总是有能量在做功，不管我们是否察觉到它。
There is energy working around us all the time whether we are aware of it or not.
她总是让我做功课、复习、看书等。
She always asks me to do my homework, revise my lessons and read books.
康妮：我和弟弟晚上刷碗，然后做功课。
Connie: My brother and I did the dishes in the evening. Then we did our homework.
有一种试验叫做功能核磁共振成像。
An experiment called functional magnetic resonance imaging as illustrated here.
系统对环境做功，因此符号是负的。
So, the system does work on the surroundings, hence the minus sign.
这名小学生认真做功课。
他们住在学校，组织人们和家长做功课。
They live here and they organize the people and the parents to do tasks.
多数项目都有单独的一个组来做功能测试。
On most projects, there is a separate group that does functional testing.
但是有计算机的家庭，很少有孩子说是用来做功课的。
But few children whose families obtained computers said they used the machines for homework.
所以不要忽视这个力，但要认清楚，它们不做功的事实。
So don't overlook the force, but do appreciate the fact that they don't do any work.
这里发生了膨胀,所以系统对外界做功，活塞被推出来。
Here there's an expansion going on, so the system is doing work to the external world.
我读这本书时一点负担都没有，而其它书就要做功课了。
It was such a relief from the other books I was reading at the time, which all had a quality of homework to them.
想要挑选一个好的顾问或者代理公司，底下要做功课才行。
我们这么努力工作，相信一定在做功是花了很多能量。
We work so hard, and I'm sure there must be a lot of energy going into that work.
对于各种可能的中间路径，我们将发现，做功做多的是可逆路径。
And what you'll find is that the maximum work out is obtain for a reversible path.
那么是这个系统向外界做功呢,还是外界向系统做功呢？
So is this system doing work on the surroundings or are the surroundings doing work on the system?
在许多情况下，必须考虑做功的速率以及所做功的总量。
In many instances it is necessary to consider the rate at which work is done as well as the total amount of work done.
几乎所有青少年电脑里都有安装微软办公软件，这方便他们做功课。
Nearly all teenagers' computers have Microsoft office installed, as it allows them to do school work at home.
但没有规定要求必须使用受数据库支撑的模型去做功能测试。
But there's no rule that says you have to use database-backed models to do your functional tests.
但没有规定要求必须使用受数据库支撑的模型去做功能测试。
But there's no rule that says you have to use database-backed models to do your functional tests.
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