利用初等方法研究了有序贝尔数的性质，给出了关于有序贝尔数的一组恒等式。
The properties of Bell number in proper order are studied with the use of elementary method, some identities involving the sum of product of Bell number in proper order are obtained.
2011年诺贝尔物理学桂冠的发现有助于揭开宇宙的秘密，宇宙在科学范围内很大程度都是未知数。
The findings of the 2011 Nobel Laureates in Physics have helped to unveil a universe that to a large extent is unknown to science.
夏季至今，摩根·斯坦利、美林和贝尔斯坦都买入了房贷公司，雷曼兄弟过去三年内也收购了数家房贷公司。
Since the summer, Morgan Stanley, Merrill Lynch and Bear Stearns have all bought mortgage lenders; Lehman Brothers has acquired several in the past three years.
平均数意味着半数养殖户低于19。我们不是统计学家，但是如果我们从19开始做贝尔曲线，每头母猪超过25头猪的很少。
An average means half of our producers are below 19. We are not a statistician but if we bell curved from 19 there would be very few over 25 pigs per sow.
发言者偶尔出现，但大都数是睁大眼睛的谩骂者-跟疯子一样，在贝尔法斯特是种暗语。
Spokesmen occasionally appear, but most are wild-eyed ranters—"headcases", in Belfast argot.
文学奖是今年宣布的第四个诺贝尔奖，它也是数周之内期赢得期望值最高，引发猜测最烈，从而使获奖者稳操胜券的一个奖项。
The literature award was the fourth of this year's Nobel Prizes to be announced and one of the most hotly anticipated given the sheer amount of guessing it generated in the weeks leading up to award.
数周之前有消息称，这位27岁的女演员将和贝丝·贝尔斯共同主持2014年选择奖。 凯特·丹宁丝和贝丝·贝尔斯共同主演了热门美剧《破产姐妹》。
A few weeks ago, it was announced that the 27-year-old actress and her Two Broke Girls co-star Beth Behrs will co-host the 2014 People's Choice Awards.
数周之前有消息称，这位27岁的女演员将和贝丝·贝尔斯共同主持2014年选择奖。 凯特·丹宁丝和贝丝·贝尔斯共同主演了热门美剧《破产姐妹》。
A few weeks ago, it was announced that the 27-year-old actress and her Two Broke Girls co-star Beth Behrs will co-host the 2014 People's Choice Awards.
应用推荐