二十一个

In 1960's, the famous statist,named Moore, proved the asymptotic normality of one kind of linear order statistic. While Hajek gained the equational condition of the asymptotic normality of rank statistic.

早在二十世纪六十年代，Moore构造了一种较为一般的线性次序统计量，并证明了它的渐近正态性，而Hajek也得出了著名的Hajek基本定理，找出了线性秩统计量渐近性的一个充要条件。

World system theory is a theory of social science, a analyzing and criticizing macrotheory, which emerged after 1970's. It pushes the length of time and the extensity of space of research objects to a unprecedented height, and deconstructs and reconstructs traditional social science.

世界体系理论是二十世纪七十年代后诞生的一种社会科学理论，也是一种宏观分析理论和批判理论，它将研究对象的的时间长度和空间广度推到一个前所未有的高度，也对传统社会科学进行解构和重构。

Neither Stalinism nor Fabianism , which in the 1930s had seemed the two main competitors in the socialist political tradition , any longer offered us either an acceptable intellectual system or a viable mode of political action .

在二十世纪三十年代，斯大林主义和费边主义似乎是社会主义政治传统中两个主要竞争对手，然而这两者现在都不能向我们提供一个可以接受的知识系统或者一种能够存在下去的政治行动方式。

But under pressure from matrons not much older than herself - for a fieldman's wages being as high at twenty one as at forty, marriage was early here - Tess at length consented to go.

但是她迫于年纪比她大不了多少的妇女的压力--因为一个种地的工人，在二十岁时挣的工钱同四十岁的工人挣的工钱一样多--苔丝最终还是同意去了。

Since 1950 s, the research of numerical method for hyperbolic conservation laws is one of key research directions in computational mathematics. The finite difference method, specially TVD and ENO schemes, for hyperbolic conservation laws are very successful.

双曲型守恒律方程数值计算方法的研究，是二十世纪五十年代以来，计算数学中的一个重要研究方向。

Shortly before noon, according to an old account, two plumbers cut an oblong opening in the coffin, and Fleetwood Lindley and 22 others gazed on Abraham Lincoln's face.

根据从前的说法，接近正午时分，两名水管工在棺木上割开了一个长方形的窗口，弗利伍德·林德利和其他二十二个人一起凝视着亚伯拉罕·林肯的脸。

The birds were liberated on a clear fresh morning which looked ideal for racing, except for the last twenty to thirty miles where there was a fog bank.

鸽子们在一个天高云淡看起来很适合比赛的早晨被放飞，只是在最后的二十到三十英里处有一处雾云。

Xu Xiangqian红四军commander, the military commander Choi Hung申熙15 and 28 Red Army commander, political commissar of the高敬亭their rate of force are stationed in the Triangle Hill, and fought a guerrilla; Sino-Japanese War and the Revolutionary War, Triangle Hill revolutionary base is an important position in southern, is the New Fourth Army and the guerrillas carried out the heart of the struggle against the enemy.

红四军军长徐向前、红十五军军长蔡申熙和红二十八军军长、政委高敬亭各自均率部队在三角山驻扎过，打过游击；抗日战争和革命战争时期，三角山是革命根据地南部的一个重要阵地，是新四军和游击队开展对敌斗争的腹地。

To lessen the rent, which was then but twenty-four pounds a year, though I have since known it to let for seventy, we took in Thomas Godfrey, a glazier, and his family, who were to pay a considerable part of it to us, and we to board with them.

我知道从前这间房子每年要租七十镑，现在却减租，只有二十五镑了。我们便分租给一个玻璃匠汤马斯哥弗来和他的眷属同住，他们付一部分的租金给我们，而我们就寄食在他们那里。

Guernica is the name of a town that was destroyed during the 1930s war in Spain.

格尔尼卡是一个在二十世纪三十年代西班牙战争中被摧毁的城镇。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失