拉格朗日函数；拉格朗日算子

双语有声阅读:What Is Money and What Are Its Functions? 金

What Is Money and What Are Its Functions? Money is something you've been familiar with throughout your life. In fact, you may already consider yourself an expert on the subject. You regularly use money to measure the value of things you own. You also

发表于:2019-01-02 / 阅读(87) / 评论(0)

双语有声阅读

向商务顾问请教公司结构

Len Matheson is the owner of a small company thats rapidly expanding. Hes getting advice from Mary Carlyle, a business consultant, on developing a functional organizational structure to better deal with his companys expansion. （Len Matheson是一家发

发表于:2019-02-02 / 阅读(44) / 评论(0)

天天商务口语

China to dismantle Railway Ministry

BEIJING, March 10 (Xinhua) -- China plans to dismantle the Ministry of Railways into administrative and commercial arms to reduce bureaucracy and improve railway service efficiency, a top Chinese official said Sunday. The existing Railways Ministry,

发表于:2019-02-03 / 阅读(57) / 评论(0)

英语新闻

毕业文凭公证书英文版

公证书 Certificate (90)Lu Zi, No. 1130 This is to certificate that Mr. Zhao Qiangwen holds a diploma issued to him in July, 1980 by Shandong University (Diploma No. 064)and that we have carefully checked the seal of the University and the signatur

发表于:2019-02-04 / 阅读(56) / 评论(0)

求职英语

CCTV9英语新闻：Premier Li Keqiang attends teleconference on gov't functions

Chinese Premier Li Keqiang said the Chinese government will double efforts to streamline administration, transform functions and boost efficiency. The aim is to spur economic vitality and attract overseas investment. He made the remarks at a national

发表于:2019-02-13 / 阅读(79) / 评论(0)

cctv9英语新闻2016年

Lesson 67-1 In the Pharmacy 在药店

Listen to the dialogues people talking with the pharmacist. Then, check themes they talked about. 英语对话1 A:We have two kinds of aspirin for headache,AspiZine and Ai-Samin. B:What are the differences? A:The AspiZine is made in USA. The 'Ai-Sami

发表于:2019-02-17 / 阅读(55) / 评论(0)

英语听力练习题

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学英语单词

9-8 suspension

absolute property

aizen matsuri (japan)

American pasqueflower

androgramy

apprentice oneself to