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。
I used to enjoy cartoon in my childhood. i am not very clear when i began to be fed up with cartoon that is remote and alienable from my real life
童年的時候曾經喜歡卡通片,我
也記不
清楚什麼時候開始特別反感卡通片了,覺得卡通離現實生活特別遙遠和有隔閡感。
When a marriageable young woman urges matrimony on an unencumbered young man the most obvious explanation of her conduct is not the altruistic impulse.
當一個正當結婚妙齡的少女,敦促毫無掛礙的青年男子結婚的時候,非常
清楚誰
也不會認為她的行為純粹出自利他主義的動機。
Thomas alva edison also knew the value of " half waking " states
托馬斯?愛迪生
也知道「半
清醒」狀態的價值。
They ' ve never been able to get them off and they used bon ami
他們怎麼
也擦不掉甚至用了
清潔
When analyzing the intensity of the drum with the simple numeration and the analogism or the shell theory, the calculative result is not very precise and it " s difficult to describe the nice change of the stress distinctly
採用粗略的簡化計演算法及類比法或者用板殼理論等方法對滾筒進行強度分析,計算結果不是很精確,應力的細微變化
也很難描述
清楚。
At the moment of our country ' s achievement of competitive sports, we must see the development strategic problem that our athletics physical education is faced with appropriating settle the culture education ' s essentiality of the active duty / retire athletes, and about the predominance analysis of the athlete ' s reeducation, the embarrassment the active duty / retire athletes meet, and the new anamnesis of the learning development etc
摘要在我國競技體育取得輝煌成績的同時,
也應該
清醒地看到我們的競技體育事業始終面臨著妥善解決運動員重返社會前進行再教育這一個持續發展的戰略問題。
The treaty bans the use, production and trade of landmines. it also requires countries to clear all territory of antipersonnel mines within ten years of when they joined the treaty
該協議禁止地雷的使用,製造及交易。
也要求成員國在10年裡
清除自己國土內的地雷。
But we are in the midst of a revolutionary war, and revolutionary war is an antitoxin which not only eliminates the enemy ' s poison but also purges us of our own filth
然而我們是在革命戰爭中,革命戰爭是一種抗毒素,它不但將排除敵人的毒焰,
也將
清洗自己的污濁。
This paper makes a comparative study of proverbs in chinese and in english from five aspects, that is, historical development, national features, synonymous proverbs, antonymous proverbs, and main idiomatic patterns, in which the process of conquering nature and understanding mankind himself as well as the common features of human thinking and different cultural backgrounds are revealed
摘要文章對英漢諺語從5個方面進行了對比研究:發展變化、民族特色、同義諺語、反義諺語、習語格式,從中可
清晰看到人類征服自然,認識自我的軌跡,
也可從反映的內容上看出人類思維的共性以及不同的文化背景。
And aquamarine really does seem to have captured the lucid blue of the oceans
生命的力量。海藍寶石似乎
也完美呈現出海洋
清晰明亮的藍色調。
But on the other hand, i think we still need to pay some respect for those who are not that articulate but are very passionate about the business, haha. . it is not always easy for us to clearly understand our weakness. basically, what i want to say is, don t be misled by the media and think that pop idols can become famous and make money easily
不要發一個假的明星夢,因為每個人都會覺得自己非常順眼,對自己充滿自信是對的,但我想收回之前的說話,哈哈因為有時候又很難叫人有自知之明,當一個人有毅力,就算他口齒不
清也需要敬重的,要收回那句說話了,哈哈最重要不要看得太表面,突然見到明星有多紅,媒體一定報導他賺多少錢,突然間見你走紅,全球華人都認識你一樣,但這有時都很講運氣。
" you can pay for the refrigerator either in a lump sum, or in monthly instalments.
"這臺冰箱的錢,你可以一次付
清,
也可以按月分期付款。
The limit of unit is logical starting point and theory prerequisite of illegal action of analysis unit stably, it also be that people be correct that but such connotation is not cleared up against the denotation " unit commits a crime " main source of criticism
一、單位之界定。單位的界定是分析單位不法行為的邏輯起點和理論前提,而其內涵與外延不
清也正是人們對「單位犯罪」批評的主要根源。
But how am i, an insignificant mortal, to show all the power, all the eternity, all the blessedness of him to one who is blind, or to one who shuts his eyes that he may not see, may not understand him, and may not see, and not understand all his own vileness and viciousness. he paused
但是我這個微不足道的凡人怎麼能向那個盲目的或者熟視無睹的不去理解他而且有目
也看不
清也不明了自己的骯臟行為和缺陷的人展示他的萬能永恆和仁慈呢?他沉默一會兒, 「你是什麼人?
And that she is pure and virtuous goes without question
「還有,她的品行貞
清也是沒有問題吧? 」
Pem protein preparation is necessary for both anti - sera producing and the in vitro study of its function
獲得pem蛋白既可以制備抗pem的抗血清,也可以開展體外實驗,為從分子水平研究其功能提供必要基礎。