稳定性导数

First, there are those words ( with which we become familiar in ordinary conversation) , which we learn , that is to say, from the members of our own family and from our friends, and which we should

发表于:2018-12-01 / 阅读(85) / 评论(0) 分类 自考英语(一)78讲

[00:03.81]bond fund :债券型基金 [00:05.87]closed-end fund :封闭型 [00:08.07]derivative :n.衍生商品 [00:09.95]equity fund :股票型基金 [00:11.96]fund manager :基金经理人 [00:13.99]futures :n.期货 [00:15.93]hedge fund :避险基金

发表于:2018-12-31 / 阅读(116) / 评论(0) 分类 商务英语分类核心1000词汇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you have a dog, you know you gotta walk it. But do you know how it walks? Well, if you have no idea which foot Fido puts forward when, youre in good c

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(二)月

今天我们要学的词是stability。 Stability, 是稳定的意思。Political stability, 政治稳定;economic stability, 经济稳定。时代周刊2007年的年度人物是俄罗斯总统普京。时代周刊对普京的评价是,He stands,

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 英语单词荟萃

Science and Technology Prevention of cancer Wonder drug 科技 预防癌症 特效药 Aspirin continues to amaze 阿司匹林让人吃惊的另一面 FOR thousands of years aspirin has been humanity's wonder drug. 几千年来,阿司匹林就一直是

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 经济学人科技系列

By Luis Ramirez Bangkok 17 September 2007 One year has passed since the Thai military overthrew the government of Prime Minister Thaksin Shinawatra on grounds it was corrupt. The interim government is making good on promises to return the country to

发表于:2019-02-07 / 阅读(86) / 评论(0) 分类 2007年VOA标准英语(九月)