单词:first countable topological space
单词:first countable topological space 相关文章
[00:00.00]How do you feel it will have changed? [00:01.87]Well, the English that's being [00:02.91]spoken internationally, [00:04.29]I think,for example, will have no longer,erm, [00:07.80]say British-based or American-based idiomatic [00:10.24]langu
Book Three,Lesson One [00:14.47]Lesson One,Listen to the conversation. [00:23.14]Good morning.Excuse me? [00:28.00]Yes.Can I help you? [00:31.45]Where are the potatoes?Do you have any? [00:36.78]Yes.They're over there in the produce section. [00:41.9
From VOA Learning English, this is Everyday Grammar. This week, we will learn a few English words and phrases that are commonly misused in English. Even well-educated native English speakers make the mistakes you will read and hear about today, inclu
1. After 7 days of deliberation, the jury has sentenced Al Qaeda conspirator Zacarias Moussaoui to life in prison with no possibility of parole, for his role in the September 11th attacks. Moussaoui s
1. Rain keeps pelt ing Central and North Texas where evacuations are underway and residents are bracing for more severe weather. The storms are blamed for at least 11 deaths in the past 11 days. 2. The Senate drove a stake through President Bush's pl
1. Five people are dead after an unsuccessful emergency landing in Sanford, Florida, setting two houses on fire. The husband of a top NASCAR official and a company pilot are among the dead. An adult and two children who were in their homes were also
1. Officials in London are piecing together clues in the three terror incidents in Great Britain. Police have raided buildings and searched homes in Glasgow and central England. So far, five people have been arrested in connection with the attacks. 2
1. It's been a day of gains and losses for the military in Iraq. Officials say they have captured two top al-Qaeda leaders there. However they also say seven troops have been killed in roadside bombings. 2. Federal investigators working in South Caro
The word work can be a verb or noun or even an adjective. This entry looks at workand worksas nouns. work这个词可以作为动词、名词,甚至形容词,在这里我们只讨论work和works作为名词时的用法。 Work has several differe
Theres a big difference between few and a few. In fact they have opposite meanings. few和a few之间区别很大,事实上,它们的意思几乎完全相反。 If you say, for example, I have a few friends in the Ministry, it sounds impressive. 比
1.With gasoline topping 4 dollars a gallon, President Bush is calling on lawmakers to lift the decades-old ban on offshore oil and gas drilling. But Democrats quickly rejected the idea. 2.The White House is also asking Congress for nearly two billion
How Much Do You Know about Quantifiers? 你知道多少量词? For VOA Learning English, this is Everyday Grammar. Today we are going to talk about different ways of expressing quantity in English. A quantifier is a word or number that shows an amoun
Understanding Noncount Nouns 不可数名词 Today we are going to talk about the difference between count and noncount nouns. Most nouns in English can be counted. Think of the noun shirt, as in, I bought a shirt. If you have more than one shirt, yo
拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配
1. The confessed mastermind of the 9/11 attacks calls his war crimes trial at the Guantanamo Bay Naval Base an inquisition, not a trial. And Khalid Sheikh Mohammed who faces the death penalty said hed welcome becoming a martyr. 2. In an extraordinary
1. NBC newsman Tim Russert has died. The network says its Washington Bureau Chief and host of Meet the Press collapsed and died at work. Initial reports said the cause was a heart attack, but now the network says it's not sure. Tim Russert was 58. 2.
Travel As a noun, 'travel' refers to the activity in general and is generally used as an uncountable noun. travel做名词的时候指的是旅行这种行为本身,通常用作不可数名词。 例句: I enjoy travel and playing golf. 我喜欢旅
Series 2 Episode 1 Hello Carlos! Introduction This support pack accompanies: Big City Small World Series 2 Episode 2 This support pack contains the following materials: Before you listen: Vocabulary match up Audio script Comprehension Task Grammar Ta
A: Now, where were we? Oh yes, can you give us an idea about the statistical analysis? B: Our analysis shows that we are very competitive. If you refer to the last page of the handout, you will see a plot of our expenses vs. our profits
identity n.身份 There is no clue to the identity of the murderer. 凶手的身份仍然毫无线索。 identify vt.指认,认定;视为同一 vi.对感同身受(与with并用) She identified the purse as hers by telling what it contained. 她