Wind energy conversion system is a complicated field refers to electrical machine, power electronic, electrochemistry, material, mechanics, aerodynamics, computer, automation, aerography and etc. following the increasing demand of electric power and environmental protection all over the world, it is important to exploit the renewable and clean energy sources. this dissertation mainly aims at modeling and controlling each part of wecs and simulating the system response under different disturbances to develop a suitable controller
隨著電力需求的進一步增長，以及世界范圍內對環境保護、能源再生等問題的日益重視，二十一世
紀將更加重視清潔能源和可再生能源的開發利用，我國現有的以煤電為主的電力結構
也必將向發電類型多元化、能源再生化、能源「綠色」化轉變，因此，風力發電這種很有發展潛力的發電技術成為一個具有重大實際意義的課題。
Americans too have remained much as alexis de tocqueville found them in the 19th century : “ so many lucky men, restless in the midst of abundance
美國人
也還停留在類似阿雷克西?托克維爾在19世
紀發現他們的那樣: 」這么多幸運的人，在豐盛的物質中躁動不安」 。
Bootie is one of the many who revere murray thwaite until he begins to uncover, after he becomes his uncle ' s amanuensis, that his hero may be no more than an “ imposing fa ? ade. . a hollow monument ”
布提
也曾是一個敬仰莫里斯維特的人，不過在他作為他叔叔的抄寫員並揭露了他叔叔后就再
也不是了，因為他的英雄可能只不過是「儀表堂堂的榜樣…一座空洞的
紀念碑」 。
Bootie is one of the many who revere murray thwaite until he begins to uncover, after he becomes his uncle ' s amanuensis, that his hero may be no more than an “ imposing fa & ccedil ; ade. . a hollow monument ”
布提
也曾是一個敬仰莫里斯維特的人，不過在他作為他叔叔的抄寫員並揭露了他叔叔后就再
也不是了，因為他的英雄可能只不過是「儀表堂堂的榜樣…一座空洞的
紀念碑」 。
I find it as low as the 18th century.
我發現近在18世
紀也有。
Millions of men perpetrated against one another so great a mass of crimefraud, swindling, robbery, forgery, issue of counterfeit money, plunder, incendiarism, and murderthat the annals of all the criminal courts of the world could not muster such a sum of wickedness in whole centuries, though the men who committed those deeds did not at that time look on them as crimes
數百萬人互相對立，犯下了難以計數的罪惡，欺騙背叛盜竊作偽生產偽鈔搶劫縱火殺人。世界的法庭編年史用幾個世
紀也搜集不完這些罪行。而對此，當時那些干這些事的人卻並未把它作為罪行來看待。
She had the medallion. she ' s the proper age
她有那塊金幣而且她年
紀也正相當
The eighteenth - century england is also known as the age of enlightenment or the age of reason
英國的十八世
紀也同時是啟蒙主義時代，或曰理性時代。
This teacher is upright and always cheerful
他身體虛弱，年
紀也老了。
In the 13th century a. d., as the world was experiencing tremendous changes and suffering brutal wars, china evolved from relatively small seperate nat.
公元十三世
紀是一個天翻地覆的世
紀是一個金戈鐵馬戰火紛飛的年代是分裂了四百餘年的中國完成第四次統一的世
紀也是中國打破閉關自守真正走上世界歷史舞. .
In the 13th century a. d., as the world was experiencing tremendous changes and suffering brutal wars, china evolved from relatively small seperate nations into a united big block for the 4th time, and reached out beyond its geographic boundaries and onto the world arena
公元十三世
紀是一個天翻地覆的世
紀是一個金戈鐵馬戰火紛飛的年代是分裂了四百餘年的中國完成第四次統一的世
紀也是中國打破閉關自守真正走上世界歷史舞臺的世
紀。
Mrs. gardiner, who was several years younger than mrs. bennet and mrs. philips, was an amiable, intelligent, elegant woman, and a great favourite with all her longbourn nieces. between the two eldest and herself especially, there subsisted a very particular regard
嘉丁納太太比班納特太太以及腓力普太太，都要小好幾歲年
紀，
也是個和藹聰慧而又很文雅的女人，浪搏恩的外甥女兒跟她特別親切。
So far, so cod - medieval
迄今為止，仿中世
紀也步其後塵。
The 21st century is a century of knowledge economy century with both fierce social competition and wonderful prospect that people look forward to
21世
紀是知識經濟崛起的世
紀，
也是人類社會競爭更趨激烈而前景又令人神往的世
紀。
Our environmental management systems, which operate at all levels in jinke, are designed to achieve continuous improvement and are compatible with international standards. we are committed to eco - efficiency - improving the environmental efficiency of our manufacturing operations, and to incorporating environmental factors in the design and re - design of our products - eco - innovation. we base our approach on environmental science and use techniques such as the life cycle assessment of our products to gain understanding of where our main environmental impacts lie
人與自然，是當今國際社會普遍關注的問題，保護生態自然環境，實現人類社會和自然的可持續協調發展，已成為全人類緊迫而又艱巨的任務。 21世
紀是人類科學和文明高度發達的世
紀，
也是人類在生態系統中的作用不斷提高的世
紀。在人和自然組成的生態系統中，人不斷地影響自然，金科人將尋求
The medical profession is the only one which a man may enter at any age with some chance of making a living.
唯有醫生這種職業不受年齡限制，就是到了一把鬍子年
紀也有機會找到謀生的機會。
It is predicted that 21st century is not only the vigorously developing time for new technology but also fashionable period for mini - type in the world
有人曾經預言過， 21世
紀是新技術蓬勃發展的世
紀，
也是小型化風靡全球的世
紀。
If you find that the job involves hierarchical sharing of commission i. e. pyramid selling or that the prices of the goods are higher than the market prices, you should refuse to accept the job
若想做直銷商或經
紀，
也應先了解公司結構及對推銷的產品有一定認識。發覺工作存有每層分傭即所謂層壓式推銷而售賣貨品較市面昂貴，應拒絕接受。
Despite a spell of initial optimismin the 1960s and 1970s when it appeared that transistor circuits andmicroprocessors might be able to copy the action of the human brain bythe year 2010, researchers lately have begun to extend that forecast by decades if not centuries
20世
紀六，七十年代宣起了一種樂觀的嚮往，晶體管電路和微處理器令人們覺得可能在2010年實現人腦活動的模仿，但研究人員最近把預期的時間向後推了即使沒有幾個世
紀也有幾十年。
In twenty - one century, the exploitation and utilization of ocean resources will get more and more attention from governments of all countries in the world
21世紀是海洋的世紀，佔全球75面積的海洋將是這個世紀，也是未來人類賴以生存的環境。
