正是

This is what Alfred found.

这正是Alfred的发现。

This paper mainly discusses the embeddability of several kinds of important algebra systems .

本文的目的正是研究几类重要的代数系统的可嵌入性问题。

Plane analytic geometry is a important content in the mathematics curriculum of high school, which embodies powerful function of analytic method and algebraic method in the depicting curve. It reflects important idea of the combination of number and figure. Learning the course is very important for students to improve mathematics thought ability. Teachers and students are engaged in teaching and learning by the textbook, so it is necessary to analyse plane analytic geometry textbook.

平面解析几何是高中数学课程中的重要内容之一，它体现了解析方法和代数方法在刻画平面曲线方面的强大作用，反映了数形结合的重要思想，学习这部分内容对提高学生的数学思维能力具有十分重要的价值，师生正是通过教材这一载体从事教学和学习活动的，因此，很有必要对平面解析几何教材进行分析。

Furthermore, the behaviors of the two contributions to PS of R〓-line are quite different, and it is their algebraic sum that leads to the total results of PS.

在R〓线压致移位中，这两部分贡献的行为很不相同，正是它们的代数和产生了总的压致移位结果。

It was the French who took the logical step, in 1830, not only of storming Algiers but of conquering the entire country.

正是法国人采取了合乎逻辑的步骤。1830年，他们不仅轰炸了阿尔及尔，而且征服了这个城邦国家的全部。

It is the very visceral reaction to unfamiliar embodied aspects such as style of clothing, taste in music, and language usage that causes exile Tibetans to be disappointed by the apparent alienness of Tibetans from Tibet.

正是对服饰风格、音乐品味和语言运用等方方面面具体的不熟悉之处的本能反应，使得流亡藏人对于本土藏人的明显异族特征感到失望。

It is contest of opinion in politics as well as religion which makes us take great interest in them and bestow our money liberally on those who furnish aliment to our appetite...

正是政治和宗教观念的交锋使我们对于出版有莫大兴趣并大量倾注金钱来满足我们的胃口。

By my senior year in 1996 I was a seven-time All-American.

那时我的梦想就是参加1996年的夏季奥运会。1996年正是在我大三的时候，我在国内晓有名气。

That was when he created the bland , all-American mouse that Mickey has been ever since.

也正是那时，他创造了这一品牌。自此，米奇成了全美国的老鼠。

This sentence allow us to become one of the strongest country in the world.

正是这句话，使我们的国家逐渐走向强大。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。