鞍点法;最速下降法

saddle point method的用法和样例：

例句

In this paper, a new theoritical method, the steepest descent approxim ation method was developed to study the eigen value problem in optical waveguide theory.本文提出了一套研究波导电磁场本征值问题的最陡下降逼近方向。
Based on the steepest descent method and the conjugate gradient method, a hybrid algorithm is proposed in this paper, and its global convergence is proved.摘要将最速下降法与共扼梯度法有机结合起来，构造出一种混合优化算法，并证明其全局收敛性。

用mp3背四级单词56

rumor -传闻,谣言 rural -农村的 rust-铁锈,(使)生锈 sack -麻袋,包,解雇 sacrifice -牺牲,舍身 saddle-马鞍,车座 sailor -水手,海员 saint -圣徒,圣人 sake -缘故,理由 salad-色拉 salary -薪金,薪水 sample -样品,抽样 sanction -批准,认可 satellite-卫星,人造卫星

发表于:2018-11-29 / 阅读(225) / 评论(0)

用mp3背四级单词

生活英语情景口语:我们骑车去听音乐会

A: are you ready to go the concert? M: yes. Shoud we go there by bus so we aren't late? A: actually, why don't we go there by bike? We could get stuck in traffic if we travel by bus in ruch hour. M: that's true. Cycling is good for our environment, t

发表于:2018-11-30 / 阅读(298) / 评论(0)

生活英语情景口语

【CET 12-24备战】之六级听力（二十一）

1. A) Riding a horse. B) Shooting a movie. C) Playing a game. D) Taking a photo. 2. A) She'll type the letter for the man. B) She'll teach the man to operate the computer. C) She doesn't think his sis

发表于:2018-12-01 / 阅读(288) / 评论(0)

【CET 12-24备战】六级听力

交流表达-011.Negative Response

Negative Response Its all wrong. Youve got it all wrong. Youre all wet actually. Thats not correct. Youvewrong. Rubbish. Nonsense. I suppose youre mistaken there. I think I must tell you that its not true. If I may say so, its actually not the case.

发表于:2018-12-03 / 阅读(240) / 评论(0)

新鲜人类俚语

VOA慢速英语2011-Imaginations at Work: A Saddle Maker and

CHRISTOPHER CRUISE: Welcome to THIS IS AMERICA in VOA Special English. Im Christopher Cruise. FAITH LAPIDUS: And Im Faith Lapidus. Some jobs require little or no creativity. Other jobs are all about creativity. This week on our program, we meet two A

发表于:2018-12-07 / 阅读(186) / 评论(0)

2011年VOA慢速英语(一)月

闭着眼睛飘单词四级词汇56

[0:0]rumor rural rust传闻，谣言农村铁锈，生锈 [0:59.6069]sack sacrifice saddle麻袋，包，解雇牺牲，舍身马鞍，车座 [1:37.2243]sailor saint sake salad水手，海员圣徒，圣人缘故，理由色拉 [2:16.7381]salary sample sanction satellite薪金，薪水样品，

发表于:2018-12-17 / 阅读(228) / 评论(0)

闭着眼睛飘单词四级词汇

安妮鲜花推荐美国儿童歌曲 Country Sing-Along 04 The Old Chisholm Trail

Wellcomealongkids Andlistentomytale Illtellyouofmytroubles OntheoldChisholmtrail Co-matiyiyippiyippiyay Yippiyay Co-matiyiyippiyay WelefttheranchonJune23rd Withadroveofcattle Suchamightyfineherd Co-matiyiyippiyippiyayyippiyay Co-matiyiyippiyippiyay I

发表于:2018-12-31 / 阅读(156) / 评论(0)

美国 Kidsongs 英语儿童歌曲

Lesson 67 - GET A KICK OUT OF / KICK THE BUCKET

to get a kick out of to kick the bucket 美国多年来有一首流行歌曲，它的名字叫

发表于:2019-01-06 / 阅读(226) / 评论(0)

美国习惯用语

VOA常速英语2008年-Saddle Up, Cowboys, Cowgirls, It's Rodeo Time

By Greg Flakus Houston, Texas 18 March 2008 Cowboys and cowgirls from around the world are in Houston, Texas for what is billed as the biggest livestock show and rodeo in the world. The annual event includessaddle bronc riding, bull riding, steer ro

发表于:2019-01-08 / 阅读(177) / 评论(0)

VOA标准英语2008年（三月）

VOA标准英语2008年-Saddle Up! It's Time for Church

Earlier this month, the Chicago Tribune newspaper sent a reporter to church four hundred kilometers away in the little town of Mount Vernon, in southern Illinois. Minister Coy Huffman holds services during pro rodeo events. Here he delivers a Power

发表于:2019-01-13 / 阅读(178) / 评论(0)

VOA标准英语2008年（八月）

VOA标准英语2011-Woman Saddles Up in a Man's World

Nancy Martiny has made it in a man's world. She started making western saddles as a hobby but there's now a three-year waiting list of people lined up to buy her designs. Martiny builds her saddles from the ground up, eventually carving and stamping

发表于:2019-01-14 / 阅读(207) / 评论(0)

VOA标准英语2011年(一月)

美语听力 English Café 432

Topics: Presidential Libraries; The Legend of Sleepy Hollow; people versus peoples; officer versus official; to continue versus to carry on Words: term to donate to preserve estate endowment artifact legend ghost to descend prank saddle victim people

发表于:2019-01-22 / 阅读(142) / 评论(0)

美语听力 English Cafe

备战英语六级听力练习题第21期

发表于:2019-01-25 / 阅读(263) / 评论(0)

英语六级听力练习集锦

任务艰巨怎么办？试试逆向规划法！

If you have to start on a project but you don't know where to start, you might want to try starting from the end for a change! 如果你开始一个任务，但你不知道从哪里开始,你可能会想试着改变一下，从任务的最后开始入手

发表于:2019-02-05 / 阅读(159) / 评论(0)

阅读空间

英文幽默笑话：Cheap price for a horse

After his beloved horse died, a man wanted to place an ad in the newspaper like this: Horse saddle and bridle for $50. 一个人衷爱的马死了，他打算在报上登则广告如下：50元卖马鞍和马缰绳。 Inadvertently the paper added a

发表于:2019-02-06 / 阅读(181) / 评论(0)

趣味英语

美国小学英语教材4:第133课每个国家都有自己的英雄(9)

Now that Grendel is dead and will nevermore trouble you, I shall joyfully return home. 既然格伦德尔已经死了，再也不会来烦你了，我就可以开心地回家去了。 After this a great feast was spread in the hall, and the Danes and

发表于:2019-02-11 / 阅读(147) / 评论(0)

美国小学英语教材4

美国语文第四册第184期:白兰地酒河浅滩(6)

I listened and heard a horse in the lane before the door, neighing,I can't tell you exactly how it was,as though he would call up the house. 我听到门前马嘶鸣的声音，我无法准确地告诉你是什么样的声音，他好像要叫醒我们

发表于:2019-02-13 / 阅读(170) / 评论(0)

美国语文第四册

英语笑话听力+文本：马有什么毛病吗？

【生词预览】 ad广告，saddle马鞍，birdle缰绳，inadvertently粗心大意地，comma逗号，Erroneously错误地【笑话原文】 What's wrong with your horse? After his beloved horse died, a man wanted to place an ad in the newspaper

发表于:2019-02-15 / 阅读(165) / 评论(0)

英语笑话（MP3+文本）

财会名词汉英对照之二

（3）现金与应收帐款现金 Cash 银行存款 Cash in bank 库存现金 Cash in hand 流动资产 Current assets 偿债基金 Sinking fund 定额备用金 Imprest petty cash 支票 Check(cheque) 银行对帐单 Bank statement 银行存款调节

发表于:2019-02-18 / 阅读(169) / 评论(0)

实用英语

轻松日记职场篇07:又一次失败要重振旗鼓

核心句型：You'd better be back in the saddle. 你最好重振旗鼓。 be back in the saddle 直译为重上马鞍，这个短语的真正意思是：重整旗鼓。因此当美国人说:You'd better be back in the saddle.时，他要传达的意思

发表于:2019-02-27 / 阅读(229) / 评论(0)

轻松日记商务职场篇

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