[化] 虚功

virtual work的用法和样例：

例句

Then, the principle of virtual work is used to derivate the equilibrium condition of CM.在以上基础上，应用虚功原理，推导出柔性机械稳态的条件。

2116年生活会变成什么样子

A new report shows what life might be like in 100 years from now. It describes skyscrapers that are much taller than today's buildings, underwater 'bubble' cities, and holidays in space. The report is from Samsung's SmartThings. It asked experts on s

发表于:2018-12-03 / 阅读(64) / 评论(0)

英语科技新闻

2015年ESL之餐饮娱乐 08 Experiencing Virtual Reality

Experiencing Virtual Reality Tatiana: Why are you wearing those funny goggles? Moustafa: Im trying out a new kind of virtual reality. Tatiana: You mean like flight simulators? Moustafa: This is much more sophisticated. This system creates a complete

发表于:2018-12-03 / 阅读(92) / 评论(0)

2015年ESL之餐饮娱乐

新视野大学英语读写教程第一册 unit1-b

Section B Keys to Successful Online Learning While regular schools still exist, the virtual classroom plays an important role in today's learning community. Job opportunities for students are expandin

发表于:2018-12-04 / 阅读(87) / 评论(0)

全新版大学英语听说教程第一册

Business News 05 – Virtual Meetings

How do you conduct your meetings? Face-to-face, on the phone, by videoconference or maybe even using VOIP/Skype? Well, now there is a new way virtual meetings, or meetings where participants are represented by computer generated characters. Listen to

发表于:2018-12-05 / 阅读(75) / 评论(0)

商务英语会议解析

外科医生能否利用互联网进行远程手术

Mischa Dohler is a professor at Kings College in London, England. He also plays the piano and writes music. Dohler wants to teach people how to play the piano using the internet. Kids or anybody could learn how to play the piano really properly from

发表于:2018-12-07 / 阅读(88) / 评论(0)

2017年VOA慢速英语(四)月

北师大版高中英语模块11--Unit32(1)-2

[00:01.26]GLOBAL GAMES [00:03.13]Children of the future will never be able to [00:05.65]complain that there's no one to play with. [00:07.99]Equipped with a virtual reality headset, [00:10.45]this twelve-year-old is taking part [00:12.63]in global ga

发表于:2018-12-13 / 阅读(137) / 评论(0)

北师大版高中英语模块11(选修)

Virtual Reality Goggles May Be Next Must-Have

Virtual Reality Goggles May Be Next Must-Have The real-time counter on the GSMA Intelligence website shows the constant rise of mobile phone subscribers worldwide. The market is huge and there's plenty of money to be made, but there's a design challe

发表于:2018-12-16 / 阅读(66) / 评论(0)

VOA标准英语2016年(二月)

英语小达人 120 Virtual Adventure

Virtual Adventure 第24单元虚拟冒险 Sacks has the best job in the world, or at least he thinks so! He tests virtual reality video games. Every morning he gets up at 7 a.m., has a shower, reads the paper on the subway and arrives at the office

发表于:2018-12-31 / 阅读(92) / 评论(0)

英语小达人

Take Away English-Virtual Worlds 虚拟世界

Online gamers enjoy a concert on the BBC's virtual island The line between the real world and online virtual worlds is becoming increasingly blurred with gamers spending real money to buy virtual commodities and even real estate in digital worlds. W

发表于:2019-01-02 / 阅读(100) / 评论(0)

Take Away English

远距恋情无法维持

SCENE① A 在唐的酒吧里【远距恋情无法维持】 Don: 1) Congratulations, Herb. You got a 2) promotion! 唐：恭喜啊，赫伯特。你升官了！ Herbert: They're 3) sending me off to

发表于:2019-01-02 / 阅读(187) / 评论(0)

网络社交

Virtual Learning

By Jerilyn Watson Broadcast: October 30, 2003 This is Steve Ember with the VOA Special English Education Report. Many people remember the day in school when they had to 1)cut up a dead frog. Students

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VOA2003（下）-教育与新闻

Virtual Reality: Digital Treatment for Real Pain

Amanda Greene lives with pain. Greene says her pain comes from lupus, an autoimmune disease that attacks her organs and tissues. If I don't have nerve pain, I might have joint pain. If I'm not having joint pain, I might have headaches. She tried taki

发表于:2019-01-03 / 阅读(127) / 评论(0)

2018年VOA慢速英语(九)月

EDUCATION REPORT - Out of the Classroom: Summer School Goes

EDUCATION REPORT - Out of the Classroom: Summer School Goes Online By Nancy Steinbach Broadcast: Thursday, July 21, 2005 I'm Barbara Klein with the VOA Special English Education Report. In the United

发表于:2019-01-06 / 阅读(85) / 评论(0)

教育与新闻

VOA慢速英语2012 AMERICAN MOSAIC - For Seniors, When Home Becomes a 'Virtual Village'

AMERICAN MOSAIC - For Seniors, When Home Becomes a 'Virtual Village' FAITH LAPIDUS: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Faith Lapidus. Today on our show, we play music from some of the artists performing at this year's Coac

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2012年VOA慢速英语(一)月

VOA标准英语2011--Virtual Choir Offers Global Harmony

Virtual Choir Offers Global Harmony American composer Eric Whitacre is a star in choral circles. His music is performed by amateur and professional choirs. Now he's unveiled his Virtual Choir 2.0 on YouTube. It features over 2,000 singers from around

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VOA标准英语2011年(四月)

VOA双语新闻 Video Game Designers

President Bush says elections in Iraq show that terrorists cannot intimidate the will of those seeking freedom. Opposition Democrats say Mr. Bush is not doing enough to protect Americans at home. 美国总统布什说，伊拉克的选举表明，恐怖

发表于:2019-01-19 / 阅读(71) / 评论(0)

VOA双语新闻 Bilingual News

英国小镇建3D街道逛街如行走未来世界

According to the Daily Mail of October 12, fake facades have been put up in 18 shops in Britain's Redcar street, along with one virtual house。 Shoppers are getting a vision of the future in one town and are walking in a virtual world。 Shops such

发表于:2019-01-27 / 阅读(106) / 评论(0)

阅读空间

学个词Learn a Word 第1368期　virtual

今天我们要学的词是virtual。Virtual, 虚拟的，模拟的。美国和伊朗没有正式外交关系，不过美国国务卿希拉里.克林顿表示， The United States plans to open a virtual embassy for Iran by the end of this year, 美国

发表于:2019-01-27 / 阅读(97) / 评论(0)

英语单词荟萃

VOA标准英语2010-Doctors Debate Benefits, Risks of Virtual

Scientists at the U.S. Food and Drug Administration disagree about the risks from CT scans given during virtual colonoscopies. Doctors who favor the procedure say it is less invasive and more cost effective than a conventional colonoscopy. Those agai

发表于:2019-02-12 / 阅读(76) / 评论(0)

VOA标准英语2010年(四)月

2016年CRI Virtual Reality Takes Center Stage at MWC 2016

The biggest thrill at the Mobile World Congress is a white-knuckle roller coaster ride. At the Samsung booth, people are lining up all day to take a virtual ride. Well, it was an amazing experience. I really enjoyed it. It is like being there, it is

发表于:2019-02-21 / 阅读(96) / 评论(0)

2016CRI中国国际广播电台

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学英语单词

back-formation, back formation

balance track

bankskoite

be pinched for money