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The light intensity distribution was characterized by Fraunhofer diffraction when the projection of light source located in the symmetry center of rectangular aperture and the size of aperture is small enough .

根据菲涅尔-基尔霍夫衍射积分得出矩孔菲涅尔衍射的光强分布表达式，对该表达式作了数值计算，分析了矩孔尺寸对衍射光强分布的重要影响。

The Shortlist: Andrey Arshavin, Karim Benzema, Iker Casillas, Cristiano Ronaldo, Diego, Didier Drogba, Edin Dzeko, Samuel Eto'o, Cesc Fabregas, Fernando Torres, Diego Forlan, Steven Gerrard, Ryan Giggs, Yoann Gourcuff, Thierry Henry, Zlatan Ibrahimovic, Andres Iniesta, Julio Cesar, Kaka, Frank Lampard, Maicon, Lionel Messi, Luis Fabiano, Franck Ribery, Wayne Rooney, John Terry, Nemanja Vidic, David Villa, Xavi, Yaya Toure.

大名单：阿尔沙文、本泽马，卡西利亚斯、C-罗纳尔多，迭戈，德罗巴，哲科，埃托奥、法布雷加斯，托雷斯，弗兰，杰拉德，吉格斯，古尔库夫、亨利，伊布拉希莫维奇，伊涅斯塔，塞萨尔，卡卡，兰帕德，麦孔，梅西，法比亚诺，里贝里，鲁尼，特里，维迪奇，比利亚，哈维，亚亚-图雷

Dell chief executive Michael Dell was met at a computer industry gathering by protestors in striped prison garb accusing him of hiring a high-tech chain gang.

" Still， the scandal did not deter 戴尔行政长官迈克尔戴尔了在电脑业的聚会，由示威者在监狱条纹外衣指责他雇用"高科技链钢仍然是，丑闻并没有阻止

They include hard-boiled history, such as a review of how the confused motives of the British government's 1917 Balfour Declaration first laid the ground for the conflict. There is a vitriolic character sketch of Golda Meir,"the face that launched a thousand MiGs". And there is a somewhat moist-eyed account of a peace symposium convened by the conductor Daniel Barenboim that called for more European mediation—a call in which one cannot help but hear a subconscious lament by the eminent and worldly participants that Jerusalem and Damascus were not more like Vienna and Paris in the first place.

其中有冷峻的历史现实，如书中一篇评论阐述了1917年英国贝尔福宣言背后种种令人不解的动机是如何为以巴冲突埋下了第一个隐患；《令一千架米格飞机升空的人》则以辛辣的文笔给出了果尔达·梅厄的人物特写；而关于丹尼尔·巴伦波音召集和平座谈会呼吁欧洲进行更多调解的报道则令人情不自禁、眼眶微湿——因为我们无法对那些杰出人物与尘世中人在潜意识中发出的叹息置若罔闻：耶路撒冷和大马士革再也不像一开始那样，能与维也纳和巴黎相提并论了。

Sir John Chardin says42 that there is not a navigable river in Persia, except the Kur, which is at the extremity of the empire.

约翰·夏尔丹（1643 – 1713，法国珠宝商和旅行者，著有十卷本的《约翰·夏尔丹游记》）说在波斯除了流经其边界的库尔河，帝国之内没有一条可航行的河流。

Chasseur was a Baltimore clipper commanded by Captain Thomas Boyleo on his first voyage in 1814, Boyle unexpectedly sailed east, directly to the British Isles, where he harassed the British merchant fleet, sent a notice to the King by way of a captured merchant vessel that he had released for the purpose.

"猎人"号一艘巴尔迪摩快速帆船，美国一战时最有名的武装民船之一。由托马斯。波义尔船长指挥。1812年从托马斯坎普船厂下水。1814年作为"猎人"号的主人，波义尔船长出人意料地让她的第一次航行向东方行驶，直往英国的不列颠群岛。在那里他侵扰英国商船。船长做出一件异常大胆的举措。

Meanwhile, less glamorously—but importantly—Duncan Hames, the Liberal Democrat candidate for the constituency of Chippenham, takes on Wilfred Emmanuel-Jones, his Conservative rival, at Corsham community centre in Wiltshire.

同时，较不引人关注但一样重要的是，在威尔特郡的科斯罕社区中心，切本哈姆选区的自由民主党候选人邓肯赫姆斯对战保守党对手威尔弗雷德伊曼纽尔琼斯。

The vote was open to all, and almost 3m people paid 2 ($3) to take part. The main rival to the 58-year-old Mr Bersani was Dario Franceschini, a former Christian Democrat who stepped in when the previous leader, Walter Veltroni, resigned in February after a disastrous showing in a regional election.

此次选举面向全国，多达300万人支付了2欧元（3美元）参加投票。58岁的贝尔萨尼先生的主要对手是达里奥·弗朗西斯奇尼，后者接任了因在地区选举中惨败而辞职的基督教民主党前任领袖瓦尔特·维尔特罗尼。

The main rival to the 58-year-old Mr Bersani was Dario Franceschini, a former Christian Democrat who stepped in when the previous leader, Walter Veltroni, resigned in February after a disastrous showing in a regional election.

此次选举面向全国，多达300万人支付了2欧元（3美元）参加投票。58岁的贝尔萨尼先生的主要对手是达里奥·弗朗西斯奇尼，后者接任了因在地区选举中惨败而辞职的基督教民主党前任领袖瓦尔特·维尔特罗尼。

Germany 's Social Democratic Party agreed to nominate Frank-Walter Steinmeier as its candidate for chancellor. Mr Steinmeier will take on the Christian Democrat incumbent, Angela Merkel, in next September's federal election. See article

瓦尔特·施泰因迈尔（ Frank-Walter Steinmeier ）获社会民主党总理候选人提名，将在明年9月举行的联邦议会选举中挑战基督教民主党领导人现任总理安格拉·默克尔。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。