S if we have a closed surface with a normal vector pointing outwards, and we want to find a flux integral for it, well, we can replace that with a triple integral.
的法向量似乎是指向外部。,And, the,normal, vector, to,s, seems, to, be, pointing, out wards, everywhere。,如果我们有一个法向量指向外部的封闭曲面,并且我们要求出它的一个通量积分,那么我们可以用一个三重积分来代替这个通量积分。
What it says is if s is a closed surface — Remember, it is the same as with Green's theorem, we need to have something that is completely enclosed.
它说的是,如果s是一个封闭曲面,这和格林定理是一样的,我们需要完全封闭的。
The S&P 500 index closed Wednesday at a new yearly high of 1, 228.28. It reached its last high on Nov. 5.
标准普尔500指数周三收于1228.28点,创下年度新高,标准普尔500指数此前在11月5日触及高点。
S&P 500 hit an all time high of 1527 in March 2000, and DJIA’s recent high was achieved in January 2002, where it closed at 11,723.
标准普尔500指数的最高点是2000年3月的1527点;道琼斯工业指数的最近的峰值出现在2002年1月,收盘的时候达到了11723点。
It 's good news - I've closed the deal with and the contract is signed.
首先通报一下好消息,我们谈判成功,合约也签好了。
It is thought those trades may have aggravated the massive losses one week ago in Europe and Asian trading, when the U. S. markets were closed.
当美国试产已经关闭时,一周前,那些交易员可能已经加剧了欧洲和亚洲的交易的大范围损失。
It is thought those trades may have aggravated the massive losses one week ago in Europe and Asian trading, when the U. S. markets were closed.
当美国试产已经关闭时,一周前,那些交易员可能已经加剧了欧洲和亚洲的交易的大范围损失。
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