单词：countable set
countable set的用法和样例：
例句
- The results show that the eigenvalues of the boundary-value problem form a denumerable set, and the eigenvalue approaches infinity.结果表明边值问题的特征值构成一个可数集，并且特征值趋向于无穷大。
- There is no requirement that this set of columns is a minimal set of columns.不要求此列集是最小列集。
单词：countable set 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
北师大版高中英语模块9(选修)
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
洪恩环境英语
backset, n 挫折，倒退；涡流，逆流＝check 【记】backset＝set back－倒退 【反】hike（n 远足，增加）
不择手段背单词
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
2017年VOA慢速英语(一)月
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
美联社新闻一分钟2006
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
美联社新闻一分钟2007
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
美联社新闻一分钟2007
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
美联社新闻一分钟2007
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
求职英语
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
求职英语
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
美联社新闻一分钟2008年6月
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
2016年VOA慢速英语(二)月
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
2016年VOA慢速英语(二)月
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
美联社新闻一分钟2008年6月
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.
美联社新闻一分钟2008年6月
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
英语口语
音乐咖啡厅:Hey Monday - Set Off 相关介绍：Hey Monday是近来比较优秀的一支女声流朋乐队, 签约于Decaydance唱片公司, 成为Fall Out Boy, Panic at Disco, The Academy Is...等的同门师妹, 也是Decaydance旗下继The Hus
音乐咖啡厅
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
英语听力 大城市小世界
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
实用英语
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
赖世雄进阶英语词汇3500