v du/dV under constant temperature. du/dT v under constant volume. You use the Joule expansion to find these quantities.
像偏u偏v,恒温下的偏u偏,恒容下的偏u偏,你们知道怎么运用焦耳定律。
And that way, you'd make a u-turn and then I'd owe you a lot more money,
那样的话,你掉头行驶,我就得付更多钱了。
If you look at the history of U.S. Taxes, the very simple history is World War One and World War Two.
如果你看一下美国税收历史,里面提到了一个典型的时期,就是一次世界大战和二次世界大战的时候。
This curve here with the square shows you how many millions of vaccine doses were distributed across the U.S.
这个带方形的曲线图显示了,在美国数以百万计的,疫苗是如何使用的
It's like watching the U.S. Open and thinking you're some kind of a player.
就像你看美国网球公开赛,想象自己是个选手
I don't know if any of you watched tennis recently, but the U.S. Open has been shown and there's an Oreo advertisement with the William sisters and so you--that's why people know about these foods.
不知道你们最近看没看网球赛,美国网球公开赛上有一则奥利奥广告,是由威廉姆斯姐妹做代言的,人们以这种方式听说这类食品
Do you know any policies that the U.S. government is using to fight global warming?
你知道一些美国政府应对全球变暖的政策吗?
pV So our H is u plus pV, as you know.
我们的自由焓H等于内能u加上。
Could you tell us about your opinions on the economic situation in the U.S.?
你能跟我们谈谈你对美国经济状况的看法吗?
I forget who--it may have been Charles Seller who said if you want to see the Market Revolution happening go study the Archives of the U.S. Patent Office.
我忘了是谁说的,大概是查尔斯.塞勒,他说,若你想看看市场革命是怎么发生的,就去研究美国专利局的档案吧
Did you come straight to Princeton from the U Shevalt?
你在U,Shevalt学习完,直接到了普林斯顿吗?
What do you think is the main difference between Germany and the U.S.?
你觉得德国和美国主要的区别是什么?
And,it used to be that twenty or thirty years ago you'd say nothing in France works, and everything works in the U.S, and now it's just the opposite,totally the opposite.
而在二十或三十年前,你会说法国一片混乱,而美国一切运行顺利,现在则恰恰相反,完全相反
Could you recommend some museums in the U.S that we should visit?
你能推荐些我们在美国应该参观的博物馆吗?
Which event do you think is the most important in U.S. history?
你觉得美国历史上最重要的部分是什么?
Yeah. You're jumping slightly ahead of me, but basically, I'm done when this is equal to 1 right? Because I get down to the base case, so I'm done when b u is over 2 to the k is equal to 1, and you're absolutely right, that's when k is log base 2 of b.
因为这就是最基本的情况了,因此当b/2的k次方等于1的时候就停止了1,你说的太对了,就是k等于b的以2为底的对数的时候,你们都坐的挺靠后的啊,我不知道是不是我讲的不太明白?
应用推荐