单词：isotopic substitution
单词：isotopic substitution 相关文章
北京奥运28大项 参与，竞争，分享，进步 Basketball 篮球 英文原文 On a competition level, a team is made of 5 players playing on the court and 5 players sitting on the bench that can be used for substitution during the game. Each player is assigned a p
奥运28大项比赛
应用修辞是让我们的语言更富于形象性，当我们运用不同的词汇，不管高级还是低级，修辞的运用将会比普通的词汇更有文学层面上的意义，从修辞中我们可以增加想要说明的效果，创造更有
GRE英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest
Scientific American(九)月
分集介绍：这一讲介绍换元法（或译作代换法，substitution method），并以此为思想将某些特定形式的一阶方程转化为可分离变量方程或线性方程。本讲用换元法解决了两类特定的一阶方程，即伯
麻省理工学院公开课：微分方程
分集介绍：这一讲介绍换元法（或译作代换法，substitution method），并以此为思想将某些特定形式的一阶方程转化为可分离变量方程或线性方程。本讲用换元法解决了两类特定的一阶方程，即伯
麻省理工学院公开课：微分方程
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar
Scientific American(一)月
What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o
Scientific American(十二)月
应用修辞是让我们的语言更富于形象性，当我们运用不同的词汇，不管高级还是低级，修辞的运用将会比普通的词汇更有文学层面上的意义，从修辞中我们可以增加想要说明的效果，创造更有
GRE作文
Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of
2016年VOA慢速英语(三)月
应用修辞是让我们的语言更富于形象性，当我们运用不同的词汇，不管高级还是低级，修辞的运用将会比普通的词汇更有文学层面上的意义，从修辞中我们可以增加想要说明的效果，创造更有
GRE英语
本期真题 1. The little girl was so frightened that she just wouldn't ________ her grip on my arm. A) loosen B) remove C) relieve D) dismiss 2. He never arrives on time and my ________ is that he f
英文语法词汇
Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho
万物简史
在GRE写作中，我们常用的26种修辞手法应用得并不多，一般常用的也不过十几种，在写作中恰当的运用修辞，会使文章看起来更加生动。 1) Simile(明喻)：It is a figure of speech which makes a comparison
GRE作文
GRE写作如何运用修辞?GRE写作修辞手法的应用可以为同学们赢得高分，GRE写作修辞手法的应用无论词汇是简单的还是比较复杂的，都能增加想要说明的效果，不动声色地为自己的水平加分。 GR
GRE作文