文中给出了按照面积中心等效法合成SPWM波形的机理以及面积中心等效算法，并对双极性面积中心等效法生成的SPWM波形进行了谐波分析。
The paper puts forward the mechanism of combined waveform and computation of a SPWM area center equivalent. Harmonic of double pole SPWM waveform is analyzed in this paper.
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。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
根据来自国家冰雪数据中心（NSIDC）的最新数字，7月份平均北极海冰面积为2007年后卫星纪录中第2个最低点。
The Arctic sea ice extent averaged for July was the second lowest in the satellite record, after 2007, to the latest figures from the National Snow and Ice Data Center (NSIDC).
今年10月刚刚落成的这座新培训中心，面积扩大到2000平米，并增加了2000万美元用于培训设备投入。
This new training center which was just put into use in October this year is expanded to an area of 2,000 square meters and another US$20 million has been spent on new training equipments there.
城市会展中心占地47万平方米，总建筑面积16万平方米，由主楼和附楼组成。
City Conference and Exhibition Center, occupying an area of 470, 000 square meters and a total construction area of 160, 000 square meters, is composed of the main building and wing building.
该中心占地面积达93000平方米(100万平方英尺)，是全球最大的专用卫星厂房。
Encompassing 1 million square feet, the center is the largest dedicated satellite factory in the world.
迪拜购物中心目前是世界上最大的商场，其总建筑面积为1亿2100万平方英尺。
The Dubai Mall is the world's largest mall in terms of total area (12.1 million sq ft).
根据来自国家冰雪数据中心(NSIDC)的最新数字，7月份平均北极海冰面积为2007年后卫星纪录中第2个最低点。
To the latest figures from the National Snow and Ice Data Center (NSIDC).
这座商贸城现在拥有五座恐怖的购物中心，每座四层，而每层面积都是一座机库的两倍。
That city now comprises five monstrous interconnected malls (the newest opened Monday). Each has four floors, and is twice the size of an aircraft hangar.
据美国科罗拉多大学博尔德分校国家冰雪数据研究中心的统计资料显示，今年9月的北极海冰面积比1979年至2000年的平均值低39%。
According to the National Snow and Ice Data Center at the University of Colorado at Boulder, September sea ice was 39 percent below the long-term average from 1979 to 2000.
去年夏天，市议会改变了分区规划条例，允许在洛杉矶市中心及其周边建设小面积公寓。
Last summer the city council changed zoning rules to allow tiny apartments to be built in and around downtown Los Angeles.
这个今天占据伊斯帕尼奥拉岛三分之一面积，(与邻居相比)相对贫困和拥挤的国度，却曾经是世界上最富庶的蔗糖殖民地的中心，它在18世纪末为其宗主国法国提供了四分之一的财富。
The poorer, more crowded third of the island of Hispaniola, it was once the heart of the world's richest sugar colony, providing France with a quarter of its wealth in the late 18th century.
一家有名的广东工厂是富士康工业园，位于仅靠深圳的卫星城中心，占地面积相当于一个大机场。
One facility in Guangdong province, the famous Foxconn works, sits in the middle of a conurbation just outside Shenzhen, where it occupies roughly as much space as a major airport.
奥地利花岗岩高地坐落在Bohemian Mass的中心地带，占到奥地利面积的10％，维也纳盆地作为奥地利的一部分占其国土面积剩余的4％。
The Austrian granite plateau is located in the central area of the Bohemian Mass and accounts for 10% of Austria. The Austrian portion of the Viennese basin comprises the remaining 4%.
酋长国购物中心的特色是迪拜滑雪场，一个室内的滑雪胜地，面积达到22500平方米。
The Mall of the Emirates features ski Dubai, an indoor ski resort, with an area of 22,500 square meters.
点击波光粼粼的面积为一个隐藏的对象区域的中心屏幕上。
Click on the sparkling area center screen for a hidden object area.
NASA（美国航天局）的图片显示，保护区的中心地带的mianji33，410平方英里，由于4年的连续砍伐，大概有3.3%的面积遭到了破坏。
The NASA images show the loss of approximately 3.3% of the 33, 410 core zone of the reserve lost to logging in just four years.
2010年7月1日，国家冰雪数据中心报道，北极海冰面积自6月份起一直在急剧下降。
On July 1, 2010, NSIDC reported that Arctic sea ice extent had continued its rapid decline through the month of June.
他说ICC的办公面积超过了250万平方英尺，现在出租率是97%，价格比市中心最高价格便宜一半。
He says the ICC, with more than 2.5 million square feet of office space, is now 97% rented, at prices less than half the cost of top-end Central offices.
该游客中心建筑面积达53000平方米，它包括礼品店、餐馆、游客卫生间等，另外这里还设计了更多的国会办公场所和广播室。
It includes gift shops, restaurants and restrooms for visitors. Also added to the plans were more congressional office space and broadcast studios.
通过改良玉米与饥饿作斗争：整个中国种植国际玉米和小麦改良中心的玉米品种的面积超过了100万公顷。
Fighting hunger through improved maize: More than one million ha of CIMMYT maize varieties have been planted across China.
餐厅位于购物中心内部，面积300平方米，有充足的空间，任何时候都能容纳多达120名顾客。
The restaurant is located inside a shopping centre and has an area of 300 square metres, with enough space to accommodate up to 120 guests at any one time.
根据来自国家冰雪数据中心(NSIDC)的最新数字，7月份平均北极海冰面积为2007年后卫星纪录中第2个最低点。
The Arctic sea ice extent averaged for July was the second lowest in the satellite record, after 2007.
这个研发中心耗资5000万欧元，面积达到3万平方米，最初将雇佣450名产品和市场研究人员，是联合利华全球六大研发中心之一。
It is one of six such facilities Unilever has globally, and it will initially employ 450 product and market researchers.
位于美国科罗拉多州博尔德的国家冰雪数据中心(NSIDC)一直在监测北极冰面面积，利用卫星来进行丈量。
The ice extent has been tracked by the us National Snow and ice Data Center (NSIDC) in Boulder, Colorado, using satellite measurements.
位于美国科罗拉多州博尔德的国家冰雪数据中心(NSIDC)一直在监测北极冰面面积，利用卫星来进行丈量。
The ice extent has been tracked by the us National Snow and ice Data Center (NSIDC) in Boulder, Colorado, using satellite measurements.
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