[计] 迭代公式

recurrence formula的用法和样例：

例句

There is a recursive formula for the number of spanning trees in a graph.对于一个图的生成树的棵数，存在一个递推公式。
This paper firstly deduces the recurrence formula of plastoelastic structure dynamic analysis.本文首选推导了弹塑性结构动力时程分析的递推公式。

NPR 2010-02-28

The death toll is up to 147 from one of the strongest earthquakes to ever hit Chile. The government says the 8.8-magnitude earthquake left central Chile in the state of catastrophe. But the ambassador to the US, Jose Goni, says his country is on top

发表于:2018-12-02 / 阅读(72) / 评论(0)

2010年NPR美国国家公共电台2月

常春藤解析英语【11】The Fast and Furious of Formula

The Fast and Furious of Formula One Racing 一级方程式赛车 by Jerri Graham In a blaze of color and noise, millions of dollars' worth of cars speed around the course. Fans leap to their feet and cheer as the world-class drivers put their pedals

发表于:2018-12-02 / 阅读(59) / 评论(0)

常春藤解析英语

英语新词：“扫描焦虑症”你有吗？

要做医学扫描，或者取报告前，人们或多或少都感到紧张，为自己的身体状况感到担忧，这就是扫描焦虑症。 Scanxiety is the anxiety experienced while waiting to undergo a medical scan or receive the results of on

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英文语法词汇

A Formula for Writing Success

A Formula for Writing Success By Karen Asp/ Writer’s Digest Incorporate courage, passion, patience, persistence and talent in your writing, and you will be a success 1 Forget about buying the newest

发表于:2018-12-19 / 阅读(135) / 评论(0)

彭蒙惠英语

纯正英语一分钟-Formula One

Im really into motor racing. Especially Formula One. It really is one of the most glamorous and exciting sports. Of course, its one of the fastest. Im amazed by the speed of the cars and how skillful the drivers are. Id love to drive a Formula One ca

发表于:2018-12-26 / 阅读(122) / 评论(0)

纯正英语一分钟

美国英语听力80篇3 Lesson55

[00:07.05]The World Health Organization says about 600,000-- 300 babies got H-I-V, [00:15.39]the virus that causes AIDS, from their mothers in 1998. [00:20.48]It says 90% of those babies were in African countries south of the Sahara Desert. [00:28.71

发表于:2018-12-26 / 阅读(84) / 评论(0)

美国英语听力80篇

听一分钟英文：Formula One-一级方程式赛车

发表于:2018-12-28 / 阅读(152) / 评论(0)

听一分钟英文-F

Take Away English-A New Formula One Star F1方程式赛车的一颗新星

Lewis Hamilton could be a British champion A young British Formula One racing driver has made history by breaking records for the best ever debut for a newcomer to the F1 drivers championship. Lewis Hamilton is just 22 years old and has competed in

发表于:2019-01-02 / 阅读(83) / 评论(0)

Take Away English

Details on Formula One Argentine Grand Prix are spread

BUENOS AIRES, March 15 (Xinhua) -- The route for the Formula One Argentine Grand Prix, to be held on 2013, 2014 and 2015 by the South American country in Mar del Plata city, at 400 kilometers south of Buenos Aires, was published in a local auto racin

发表于:2019-01-11 / 阅读(108) / 评论(0)

英语新闻

More Baby Formula Firms Annouce Plan for Price Cuts

More foreign dairy firms have announced plans to cut their baby formula prices in China. It comes after Chinese authorities launched investigations over alleged price-fixing of a handful of manufacturers. Despite the promised price cuts, customers re

发表于:2019-01-19 / 阅读(76) / 评论(0)

世界各地新闻集锦

Rio in Formula 1 bid

RIO DE JANEIRO, Nov. 10 (Xinhua) -- Rio de Janeiro mayor Eduardo Paes is reportedly preparing a bold proposal to bring Formula 1 to the Brazilian city. Paes is seeking talks with Formula 1 CEO Bernie Ecclestone about the prospect of making Rio Brazil

发表于:2019-02-05 / 阅读(141) / 评论(0)

英语新闻

曼德拉在医院继续接受治疗

JOHANNESBURG, March 31 (Xinhua) -- Former South African President Nelson Mandela continued to receive treatment in hospital four days after re-admission, the Presidency said. he Presidency has been advised by the doctors that former President Nelson

发表于:2019-02-05 / 阅读(65) / 评论(0)

英语新闻

曼德拉的条件不变

JOHANNESBURG, June 8 (Xinhua) -- Former South African president Nelson Mandela's condition remained unchanged Saturday afternoon, the Presidency said. Mandela, who was admitted to a Pretoria hospital for a recurrence of lung infection at about 1:30 a

发表于:2019-02-05 / 阅读(88) / 评论(0)

英语新闻

G20领导人采取圣彼得堡发展战略

G20领导人采取圣彼得堡发展战略 ST. PETERSBURG, Russia, Sept. 5 (Xinhua) -- The Group of Twenty (G20) leaders on Thursday approved here a strategy outlining development priorities for the group members over the medium term. The St. Petersb

发表于:2019-02-06 / 阅读(79) / 评论(0)

英语新闻

阿尔及利亚谴责贝鲁特爆炸事件

阿尔及利亚谴责贝鲁特爆炸事件 ALGIERS, Jan. 2 (Xinhua) -- The Algerian government on Thursday strongly condemned the deadly bomb attack that shook the Lebanese capital of Beirut, which left six killed and more than 70 others injured, APS

发表于:2019-02-08 / 阅读(89) / 评论(0)

英语新闻

研究:喝咖啡对结肠癌有抑制作用

Colon cancer patients who were heavy coffee drinkers had a far lower risk of dying or having their cancer return than those who did not drink coffee, with significant benefits starting at two to three cups a day, a new study found. Patients who drank

发表于:2019-02-12 / 阅读(49) / 评论(0)

阅读空间

学个词 Learn a Word-VOA英语教学 1930 formula

1930 formula 今天我们要学的词是 formula.Formula 是名词，有配方的意思。Researchers at the University of Iowa say they may have found the formula for online dating success. 美国爱荷华大学的研究人员说，他们可能找到了

发表于:2019-02-16 / 阅读(101) / 评论(0)

英语单词荟萃

CNN 2008-07-13

I'm Asieh Namdar at the CNN.com newsroom in Atlanta. Here's a look at what's happening NOW IN THE NEWS. A long-awaited homecoming for three former American hostages held captive by Colombian rebels. They are heading home to Florida today after spend

发表于:2019-02-16 / 阅读(65) / 评论(0)

商业报道2008年(七)月

CNN 2008-10-16

Hey there, thank you log on. I'm Virginia Cha at the CNN Center in Atlanta. And here's a look at what's happening NOW IN THE NEWS. Senators Barack Obama and John McCain will face off tonight in the third and final debate of the presidential campaign

发表于:2019-02-16 / 阅读(112) / 评论(0)

商业报道2008年(十)月

考研英语应用文满分策略：投诉信

应用文满分策略一、信函写作：称呼、正文、落款 1、审题-判断是个人书信事务公函决定：语域使用：正式：使用礼貌表达，不用缩略语(对公) 半正式：可以使用缩略和口语表达(对私) 非正

发表于:2019-02-17 / 阅读(49) / 评论(0)

考研英语

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abrasive molding hydraulic press

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