The diffraction of Gaussian beams at an square aperture is studied based on the Kirchhoff and Fresnel diffraction integrals.
使用基尔霍夫衍射积分公式和菲涅耳衍射积分公式对高斯光束通过方孔光阑的衍射进行了研究。
An apple tree producing square fruit is baffling experts.
一棵结方形果实的苹果树正令专家们感到困惑。
雨伞不是正方形的。
The Sandia prototype's solar collector has an area of about 20 square meters (215 square feet) for a reactor the size of a beer keg.
桑迪亚原型的太阳能采集器有一个约20平方米（215平方英尺）的面积，用于一个啤酒桶大小的反应堆。
Andorra, with an area of some 200 square miles, is considerably larger than Monaco.
安道尔的国土面积约200平方英里，比摩纳哥大得多。
Rescue crews had scoured an area of 30 square miles.
救援人员已经搜遍了30平方英里的范围。
The reserve covers an area of some 1 140 square kilometres.
保护区占地面积大约1 140平方公里。
Apple Park is like a huge landed UFO, which covers an area of 708,000 square metres.
苹果公园就像一个着陆的巨大飞碟，占地面积为708000平方米。
It covers an area of up to 260,000 square metres.
它占地面积达26万平方米。
Covering an area of 108 square kilometers, Langshan Mountain has rich natural scenery and lots of tourism resources.
朗山占地108平方公里，自然风光多彩，旅游资源丰富。
The capital city has an area of less than 1507 square kilometers.
首都的面积不到1507平方公里。
On May 1st, 2016, in Alberta, Canada, a wildfire destroyed an area of nearly 700 square miles.
2016年5月1日，在加拿大阿尔伯塔省，一场野火烧毁了近700平方英里的区域。
Not having an oven, I made some square pots with lids and covered them with hot ashes.
没有烤箱，我做了一些有盖的方形罐子，在上面撒上热灰。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
它们将一束集中的光线反射到城镇的中心广场上，形成面积大约为600平方米的阳光区域。
Ge Garden with an area of 12,000 square meters houses over 60 types of bamboo.
个园占地12000平方米，种有60多种竹子。
It covers an area of about 1.8 million square kilometers, about one fifth of the national total.
它的面积约180万平方公里，约占全国总面积的五分之一。
Together, they can give light to an area of up to 6,400 square kilometers on the Earth for 24 hours.
它们合在一起可以给地球上高达6，400平方公里的区域提供24小时的照明。
For example, No.38 Middle School in Hefei, set up a 500 square meter farm on an open platform (露天平台) of their teaching building.
例如，合肥的第三十八中学在教学楼的开放露天平台设立了一个500平米的农场。
At a cost of nearly 7 million euros (51 million yuan), the panda house covers 9,000 square meters and looks like an ancient Chinese palace.
熊猫馆耗资近700万欧元（5100万人民币），占地9000平方米，看起来像一座中国古代宫殿。
I'll give you one pound an hour, if you will carry a brick under your arm and walk around the square for five hours without stopping.
如果你能在胳膊下夹着一块砖头，在广场上不停地走五个小时，我给你每小时一英镑。
Leicester Square is still the perfect place to catch an afternoon matinee followed by a cappucino.
莱斯特广场仍然是追赶下午音乐会后来一杯卡布奇诺的理想场所。
The unfurling of Ikaros, which has an area of 200 square metres, is therefore no mean feat.
展开伊卡洛斯，这个200平方米的装置，因此是一个艰难的壮举。
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