高斯消元法;高斯-若尔当消去法(Gauss-Jordan elimination method)

Professional Halloween 'Haunters' Channel Method Acting To Deliver Real Scares play pause stop mute unmute max volume 00:0003:25repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or upd

发表于:2018-12-02 / 阅读(74) / 评论(0) 分类 2016年NPR美国国家公共电台10月

A-B-C METHOD OF MANAGING ATTITUDES As an airport skycap checked through a customer at curbside, he accidentally knocked over the man's luggage. He quickly collected the fallen bags and apologized for the mishap. Unappeased, the traveler burst into a

发表于:2018-12-07 / 阅读(216) / 评论(0) 分类 每天一点英文

THIS IS AMERICA - Theater for the Blind; Suzuki Method; Gluten-Free Foods JUNE SIMMS: Welcome to THIS IS AMERICA in VOA Special English. I'm June Simms. CHRISTOPHER CRUISE: And I'm Christopher Cruise. This week on our program, we visit a theater that

发表于:2018-12-16 / 阅读(59) / 评论(0) 分类 2012年VOA慢速英语(八)月

我上个月坐火车到纽约去看朋友,上车后刚要坐下,旁边座位上的女乘客就开始很大声的自言自语,看上去精神好像不太正常,吓得我只好在过道对面远远地坐下。 后来我注意到,每次有人要

发表于:2018-12-16 / 阅读(131) / 评论(0) 分类 美国习惯用语

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(六)月

Books and Arts;New film 文艺;新片上映 Method in the madness 疯狂中的理智 A searching look at what caused the split between Freud and Jung 深度挖掘:弗洛伊德、荣格决裂的原因 Psychoanalysis, as practised by Carl Jung and

发表于:2018-12-31 / 阅读(104) / 评论(0) 分类 经济学人文艺系列

By David McAlary Washington 11 May 2006 Scientists have developed a cheap, rapid test to determine who has trachoma, the leading infectious cause of blindness in poor countries. The researchers say th

发表于:2019-01-04 / 阅读(117) / 评论(0) 分类 2006年VOA标准英语(五月)

英语演讲稿:D-Day Order You will bring about the destruction of the German war machine, the elimination of Nazi tyranny over the oppressed peoples of Europe, and security for ourselves in a free world. Your task will not be an easy one. Your en

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 英语演讲

Children Learn to Play Music by Listening in Suzuki Method Five-year-old Hannah Mei Steury started violin lessons two months ago. Her teacher, Stephanie Flack, says Twinkle, Twinkle Little Star is the first song children learn to play. Its a very sim

发表于:2019-01-13 / 阅读(68) / 评论(0) 分类 VOA标准英语2012年(七月)

A Step Closer to Major HIV Prevention Method A U.S. government panel has recommended the use of a once daily pill to help prevent HIV infection. The pill has been shown to be very effective in studies. The Food and Drug Administration, the FDA, now h

发表于:2019-01-13 / 阅读(91) / 评论(0) 分类 VOA标准英语2012年(五月)

SAF New Fire-Building Method Reduces Air Pollution With their megaphones and orange uniforms, these fieldworkers do not go unnoticed. This is Fine Town, a township south of Johannesburg. Every day, the fieldworkers walk around the townships to show t

发表于:2019-01-13 / 阅读(106) / 评论(0) 分类 VOA标准英语2012年(三月)

World Bank President: Elimination of Poverty Possible World Bank President Jim Yong Kim says the problems of poverty, hunger and inequality are massive, urgent and a matter of survival for millions. We know that despite the dramatic successes of the

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 VOA标准英语2013年(四月)

Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2013年(五月)

Business. 商业。 German business. 德国商业。 Screwdrivers drawn. 拉锯战。 A shareholder stand-off in the Black Forest. 山林地区股东的势均力敌之争。 IF YOU have ever struggled to assemble a flat-pack wardrobe, the chances are

发表于:2019-01-26 / 阅读(59) / 评论(0) 分类 经济学人商业系列

Traditional Teaching Method Do your teachers still use traditional techniques to teach you nowadays? A revol- ution in teaching techniques is required now. In the past, we just took it for granted that a teacher' s aim was to teach the students all t

发表于:2019-02-08 / 阅读(82) / 评论(0) 分类 英语作文

By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD

发表于:2019-02-12 / 阅读(163) / 评论(0) 分类 2006年VOA标准英语(五月)

叙利亚化学武器开始转移 UNITED NATIONS, Jan. 7 (Xinhua) -- A first shipment of chemical materials was moved from Syria on Tuesday, which initiated the process of transferring chemical weapons from the country to locations outside its territ

发表于:2019-02-16 / 阅读(58) / 评论(0) 分类 英语新闻

RIO DE JANEIRO, April 30 (Xinhua) -- Despite its home field advantage, the Sao Paulo soccer team could not hold back the Santos offense on Saturday. With a 2-0 score, Santos eliminated Sao Paulo and advances to the finals of the 2011 Sao Paulo state

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 英语新闻

The International Monetary Fund has approved a new $36 billion loan for debt-ridden Greece, despite misgivings about the country's economic performance with a previous loan. The board of the Washington-based IMF on Thursday adopted a proposal by its

发表于:2019-02-19 / 阅读(51) / 评论(0) 分类 英语新闻

31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact. 31. 骨头看起来是脆硬的,但它也有一定的弹性,使得骨骼

发表于:2019-03-13 / 阅读(227) / 评论(0) 分类 实用英语
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