This man-made waterway—known in China as Da Yunhe—is 1,700 kilometers long and some parts of it are more than 2,000 years old.
这条人造水路——在中国被称为大运河——长1700公里，其中一些部分已经有2000多年的历史了。
Then, yes, we can apply Green's theorem and it will tell us that it's equal to the double integral in here of curl F dA, 0 which will be zero because this is zero.
那就可以使用格林公式了，并且我们知道,它就等于的二重积分，结果为0，因为旋度F等于。
So, for example, the area of region is the double integral of just dA, 1dA or if it helps you, one dA if you want.
举个例子，区域R的面积是dA的二重积分，便于理解，在这里写成。
Over in Germany, where it had been popular before the war, Coke had just celebrated a triumphant return under the slogan: "Coca-Cola 1st Wieder Da!" (Coca-Cola Is Back!)
而在德国，战争前它一直受欢迎的，可口可乐刚刚用一句口号庆祝了它的胜利回归：“Coca - Cola 1stWiederDa ！(可口可乐又回来了！)”
Some historians have suggested that da Vinci's left-handedness added to his genius, because it forced him to think and see in an extraordinary way.
一些历史学家认为达芬奇的天才有部分归功于他的左撇子，因为这迫使他从奇特的角度来思考和观察。
Even more remarkable, it led to one of the most famous paintings in the world by Leonardo da Vinci.
更加非凡的是，此书给了列奥纳多·达芬奇灵感，画出了一幅名扬世界的油画。
Mona has also appeared on a wall in Portugal, in another stenciled piece. Although the artwork carries no symbolic content, it may have been produced out of appreciation for Da Vinci’s work.
蒙娜丽莎也现身于葡萄牙的一面墙壁之上，同样的钢印风格作品，虽然没有什么象征性的符号，那就姑且算作为表达对达芬奇作品的崇拜而作吧。
Art historians believe it was painted by Da Vinci in 1503.
美术史学家认为该画是由达芬奇在1503年绘制的。
"It is a little like da Vinci and the helicopter," he says, referring to the artist's famous sketches that presaged later inventions.
他说：“这有点儿像达•芬奇和直升机。”——这儿他提到了画家预言以后发明的著名素描。
Even so, it only climbed to about 40%, still miles off Da Silva's whopping 70%.
但就算如此，也只是攀升到了40%，离卢拉的70%还相距甚远。
DA: I used to work to music, but I can't now. Music is too important not to give it my full attention.
大卫·爱登堡：我以前经常边听音乐边工作，现在不行了。音乐太过重要了，不集中注意力去听，你就什么也听不到。
No, it was the "shadowy" world of "crazy" inhabited by American's assassins, a hermetically sealed Da Vinci Code realm sealed against all outer influences and driven by an internal logic all its own.
绝不仅仅如此，我们生活在美国刺客们居住着的“疯狂”世界的“阴影”之中，刺客们臻化至达芬奇密码所述的境界那样反抗一切外界干扰，一切行动听从自己内心的指挥。
Da Vinci began working on The Last Supper in 1495, and finished it in 1498.
达·芬奇于1495年开始创作《最后的晚餐》，1498年完成。
What a gift it is to have one of Leonardo da Vinci's notebooks, small enough to have sat in his palm, on permanent view for the first time.
其中珍品有一本里奥纳多达芬奇的笔记，小如手掌，是首次长期展出。
He said that for da Vinci the Mona Lisa was "more than a painting, it was a challenge to reproduce real life"。
他表示，对于达芬奇来说，《蒙娜丽莎的微笑》“不仅是一幅画作，还是重塑现实生活的一个挑战。
If experts are correct, it will be the first major work by da Vinci to be identified in 100 years.
如果专家们说的没错，那这将是百年以来达·芬奇的第一幅伟作。
"There is a da Vinci code - it is just not the one made popular by Dan Brown," she said.
她称：“‘达·芬奇密码’的确存在——但并非是那个由于丹·布朗(Dan Brown)而为人们所熟知的‘达·芬奇密码’。”
And, the area element in uv coordinates, let me call that dA prime just to make it look different.
然后，在uv坐标系内，把面积元素定义为dA，只是为了让他们看起来不同。
It is the encounter with otherness and the attempt to master otherness as in Freud's story of fort/da that this uh-oh seems to be expressing.
这是一种和他者意识的相遇,并且尝试着掌握他者,如弗洛伊德的那个关于儿童语言中象征意义的fort/da故事,这一uh-oh看似是一种对自我的表达。
It was also at four in the afternoon that she had dared to knock, years before, at the door of Ruy da camara's riding school in Lima.
多年以前，也是在下午的四点，她鼓起勇气敲响了Ruydacamara位于利马的骑术学校的门。
[font=Times New Roman]It was also at four in the afternoon that she had dared to knock, years before, at the door of Ruy da Cámara’s riding school in Lima.
[font=宋体]多年以前，也是在下午的四点，她鼓起勇气敲响了Ruyda Cámara[font=宋体]位于利马的骑术学校的[font=宋体]门。
A hill station pioneered by the French in the early 20th century, Da Lat largely escaped the war; a town so pretty the US and North Vietnamese tacitly agreed not to bomb it.
大叻是法国人在二十世纪早期开辟的山中避暑地，并未受到战争多大的破坏。美国和北越仿佛有默契一般，没有对这座城镇狂轰滥炸。
“Over the past few decades the disease has spread dramatically,” says da Silva, noting in particular the toll it has taken on the urban poor living in the shanty towns of Asia and Latin America.
daSilva说，“过去几十年来，该疾病严重蔓延”，尤其值得注意的是，该疾病对亚洲和拉丁美洲城镇棚户区贫穷人口造成了巨大影响。
Aug. 19, 2011 -- One hundred years ago, Leonardo da Vinci's masterpiece, the Mona Lisa, became the world's most famous painting after it was stolen from the Louvre Museum in Paris on Aug. 21, 1911.
100年前，也就是1911年8月21日，李奥纳多达芬奇的名作《蒙娜丽莎》在法国巴黎的卢浮宫被盗，使之后成为世界上最有名的画作。
In the right eye appear to be the letters LV which could well stand for his name, Leonardo da Vinci, while in the left eye there are also symbols but they are not as defined. 'it.
专家分析，蒙娜丽莎瞳孔中出现的字母有可能为LV，也就是达芬奇大师本人的名字缩写，也有可能是字母ce或者字母b等。
You can take Line 3 to Lao Jie Station, and then transfer to Line 1 to Shen Da Station. You can't miss it.
你可以乘坐龙岗线到老街站，然后换乘1号线到深大站,就到了。
Mr. Wang could hear it pounding the debris like a drum: da-da-da-da-da.
王先生都能听到雨点砸在废墟上像是打鼓：嗒嗒嗒嗒。
He said that for da Vinci the Mona Lisa was "more than a painting, it was a challenge to reproduce real life".
他表示，对于达芬奇来说，《蒙娜丽莎的微笑》“不仅是一幅画作，还是重塑现实生活的一个挑战。
He said that for da Vinci the Mona Lisa was "more than a painting, it was a challenge to reproduce real life".
他表示，对于达芬奇来说，《蒙娜丽莎的微笑》“不仅是一幅画作，还是重塑现实生活的一个挑战。
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