[数] 收缩算子

contraction operator的用法和样例:

例句

  1. Every contraction can be extended to a partial isometry.每一压缩算子能被扩张成一个部分等距算子。

Lesson 006 New words and expressions: 1. make What make is it? What make is your watch? The rich man has cars of all makes. 2. Swedish Its a Volvo, Swedish. Nobel is a Swedish scientist. Jenny Lind is a famous Swedish singer. 3. English Its a Mini, E

发表于:2018-11-27 / 阅读(876) / 评论(0) 分类 新概念英语词汇随身听手册1

[00:17.46]The Call [00:21.64]电话 [00:40.63]Forgetting the previous episode, [00:42.72]she ran to the phone before it woke the kids [00:45.39]and shattered her peace. [00:48.13]Snatching up the receiver, she blurted, [00:51.32]Hello?. I'm closer repo

发表于:2018-12-06 / 阅读(317) / 评论(0) 分类 英语灵异故事

Part One 弱读综合练习 Learning the strong forms and weak forms of the following words . Words Strong Forms Weak Forms a ??????????? ???????????????????? ( am ???????????? ??????????????????? (??

发表于:2018-12-10 / 阅读(304) / 评论(0) 分类 4+1听力口语MP3

Part Two单音节词弱读形式的综合练习 A.Listen and repeat . a boy an apple and her are you as usual at home can do it he does for the sake of book and box pen and paper more and more he and I his sister and her friend you and that girl sooner or later

发表于:2018-12-10 / 阅读(374) / 评论(0) 分类 新东方4+1听力口语

Mr Ballito 对Miss Melita Fagurian的面试非常满意,他还想了解一下Miss Melita Fagurian在以前公司的工作表现。因此他致电Mr Kola,Miss Melita Fagurian以前的上司,想要了解一些情况。下面是他们之间的对话

发表于:2018-12-12 / 阅读(225) / 评论(0) 分类 求职英语

How do I get an outside line? Operator: Operator. May I help you? Paul Ryefield: Yes. How do I get an outside line, please? Operator: Just dial 0, wait for the dial tone, and then dial the phone number you want to call. Or we can place a call for you

发表于:2018-12-16 / 阅读(468) / 评论(0) 分类 英语口语练习

[00:03.59] 谈论工作 [00:07.18]What kind of job have you had? [00:10.27]你做过什么工作? [00:13.35]A:What kind of job have you ever had? [00:15.67]A:你做过什么工作? [00:18.00]B:I used to work as a teacher. [00:20.08]B:我当过教师

发表于:2018-12-25 / 阅读(243) / 评论(0) 分类 英语流行口语

M: Operator! Operator! W: Can I help you? M: Yes, I was talking to a party. We were disconnected. W: I'm sorry, sir. Just hold the line, please. Now the line is connected. Go ahead please. M: Thank you.

发表于:2018-12-26 / 阅读(198) / 评论(0) 分类 想聊就聊

Chapter 22 Making a Telephone Calls 第二十二章 打电话 Part 1 Vocabulary 第一部分 词汇 1.pay phone/public phone 1.公共电话 2.telephone booth 2.电话亭 3.coin 3.硬币 4.phone card 4.电话卡 5.cellphone 5.手机 6.dial 6.拨号 7.

发表于:2018-12-29 / 阅读(310) / 评论(0) 分类 实境旅游英语

Conversation:contraction of “I am”-“I‘m”—在线英语听力室

发表于:2019-01-03 / 阅读(319) / 评论(0) 分类 哈哈美语

Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋

发表于:2019-01-11 / 阅读(240) / 评论(0) 分类 美国乡村音乐

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-01-14 / 阅读(232) / 评论(0) 分类 节奏布鲁斯

Dialogue A (A:Operator B:Lin Ping) A:Operator.How can I help you? B:Yes.The connection was bad.There was a lot of echo and Icouldn't hear well,will you put me through again? A:I'

发表于:2019-01-16 / 阅读(262) / 评论(0) 分类 英文语法词汇

Operator - 美国乡村音乐 Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋友住在一起 Sh

发表于:2019-02-03 / 阅读(288) / 评论(0) 分类 美国乡村音乐

Key Sentences(重点句子) 118.I beg you pardon? Miss who? 对不起,你说谁? 119.I'm sorry,but I don't know that name. 对不起,我不认识这个人。 120.You must have the wrong number. 你一定是弄错号码了。 121.

发表于:2019-02-07 / 阅读(247) / 评论(0) 分类 实用英语

The Man in the Moon has become the latest victim of contraction(缩小 ) in the housing market. Astronomers(天文学家) reporting on Thursday in the US journal Science said they had found previous undetected landforms(地貌,地形) whi

发表于:2019-02-08 / 阅读(276) / 评论(0) 分类 英语新闻

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-02-20 / 阅读(241) / 评论(0) 分类 节奏布鲁斯

Key Sentences(重点句子) 118.I beg you pardon? Miss who? 对不起,你说谁? 119.I'm sorry,but I don't know that name. 对不起,我不认识这个人。 120.You must have the wrong number. 你一定是弄错号码了。 121.

发表于:2019-02-25 / 阅读(234) / 评论(0) 分类 实用英语

Operator: Pacific Bell. May I help you? Dave: Yes, I'd like to set up a telephone service, please. Operator: Do you presently have service? Dave: No, this is new. Operator: All right! I'll connect you with our customer service department. Please hold

发表于:2019-02-27 / 阅读(248) / 评论(0) 分类 英语对话对对碰

Key Sentences(重点句子) 146.The connection was bad. 通话情况很糟。 147.There was a lot of echo and I couldn't hear well. 回音太多,我听不清楚。 148.I'll connect you agian. 我再为您接通一次。 149.I've just

发表于:2019-03-11 / 阅读(387) / 评论(0) 分类 实用英语
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12-hydroxy-cholecalciferol
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