描述：(鸽子)享用薯条，面包，烤肉串，摄影师西蒙日格兰维尔与伦敦公园的动物亲密接触。
Caption: Using chips, bread, and kebabs, photographer Simon DE Glanville gets up close and personal with the animals of London's parks.
在春天和夏天，最流行的饮料叫艾日格(airag)，这是一种发酵的马奶，俄国人称之为酸马奶。
During spring and summer, the most popular drink is "Airag", fermented horse milk. The Russians call it "Koumiss".
这场争论始于2月1日，当时英格汉姆在新西兰基因改造皇家委员会面前作证，决定如何管理转基因生物。
The controversy began on 1 February, when Ingham testified before New Zealand's Royal Commission on Genetic Modification, which will determine how to regulate GM organisms.
这次旅行计划于12月21日在纽约开始，然后继续前往米兰、布拉格、巴黎、曼谷和新德里，1月8日在多伦多结束。
The trip is scheduled to start on December 21 in New York City and continue on to Milan, Prague, Paris, Bangkok and New Delhi before ending in Toronto on January 8.
然而，在1941年12月7日袭击珍珠港后，博洛格试图参军，但因战时的劳动法规被拒绝。
However, following the December 7, 1941 attack on Pearl Harbor, Borlaug tried to join the military, but was rejected under wartime labour regulations.
焦点人物是“绿色革命”之父诺曼·博劳格，他于2009年9月12日去世，享年95岁。
The man in focus is Norman Borlaug, the Father of the "Green Revolution", who died on September 12, 2009 at age 95.
六岁大的棕色奶牛在5月24日从慕尼黑东北50英里的桑柏格镇的养殖场里逃跑了出来。
The six-year-old brown dairy cow escaped from her field in the village of Zangberg, 50 miles north-east of Munich, on 24 May.
6月27日，州政府加大了赌注，授权警方以伤害锡克教徒感情为由逮捕了辛格先生。
On June 27th, the state government raised the stakes by authorizing the police to arrest Mr. Singh for hurting Sikh sentiments.
在南非著名的克鲁格国家公园附近的南十字学校，这是一个普通的上学日。
It's a common school day at Southern Cross School near the famous Kruger National Park in South Africa.
维托里奥·格努迪于1914年6月29日出生于威尼斯。
接下来要讲到的，就是你们可能听说过的拉格朗日乘数法。
And so what we will see is you may have heard of Lagrange multipliers.
其中一个是找出一个函数的极小值，极大值，这个函数的变量是相关的，这种方法称为拉格朗日乘数法。
One of them is to find the minimum of a maximum of a function when the variables are not independent, and that is the method of Lagrange multipliers.
现在我们来用拉格朗日乘数法方程。
他一直非常神秘，而他开在巴黎拉格朗日大街上的书店也是默默无闻。
He was mysterious and his bookstore obscure. It was on the Rue Lagrange in Paris.
布隆伯格在1月17日的市政咨文中，为上述问题提供了一个答案。
Mr Bloomberg, who gave his state-of-the-city address on January 17th, offers an answer.
关键的一点是，拉格朗日拟序结构中的界限可以在群体间互换，正如一个人被挤进了错误的人群接着随着人群驶向错误的方向。
Crucially, they form a barrier to exchange between groups, as anyone who has been caught up in a crowd and pulled inexorably in the wrong direction will know.
1937年5月15日她出生在布拉格一个犹太家庭。
有一个极值问题，也有关于拉格朗日乘数法的，链式法则也会有的,约束条件下偏导数当然不会漏掉。
Expect one about a min/max problem, something about Lagrange multipliers, something about the chain rule and something about constrained partial derivatives.
该探测器将停留在一个叫拉格朗日点的地区附近，太阳系有五个类似这样的点。
The probe will stay near an area called a Lagrangian point - there are five similar points.
这时就在有着不同目的地的不同人群间就浮现一种不断移动的界限，这些界限就是拉格朗日拟序结构。
What emerges is a shifting pattern of borders between groups of people with different goals. These borders are Lagrangian coherent structures.
我们就此学过拉格朗日乘数法的。
木星、海王星和火星在其轨道前方60度或后方60度的所谓“拉格朗日点”上均有一批这样的石块。
Jupiter, Neptune and Mars all have collections of rocks sitting in the so-called Lagrange points 60 degrees ahead of or behind the planets in their orbits.
人们告诉萨伦·伯格，1月15日他成功使飞机着陆表现了一种对生命的高度尊重。
People tell Sully that his success on Jan. 15 showed a high regard for life.
上次我们看了，怎样利用拉格朗日算子，去求解一个受约束的，多变量函数的最大最小值。
OK, so last time we saw how to use Lagrange multipliers to find the minimum or maximum of a function of several variables when the variables are not independent.
每年的8月20日，格雷都会在科罗拉多州立大学的校园里鸣钟，预告飓风多发季的来临。
Gray rings a bell on the Colorado State campus every year around Aug. 20, to herald the active part of the hurricane season.
10月25日，丹尼尔·埃尔斯伯格在伦敦前线俱乐部与朱利安·阿桑奇对话时，提出了这样的问题。
That was the question raised when Daniel Ellsberg sat down with Julian Assange on October 25th, at the Frontline Club in London.
拉格朗日拟序结构理论是10年前被乔治·霍勒（GeorgeHaller）揭开，他当时在罗德岛上的布朗大学任教。
The theory of Lagrangian coherent structures was started about ten years ago by George Haller, who was then at Brown University, in Rhode Island.
拉格朗日拟序结构理论是10年前被乔治·霍勒（GeorgeHaller）揭开，他当时在罗德岛上的布朗大学任教。
The theory of Lagrangian coherent structures was started about ten years ago by George Haller, who was then at Brown University, in Rhode Island.
应用推荐