納京河 的英文怎麼說
中文拼音 [nàjīnghé]
納京河
英文
na ching ho-
The study on the development model of agricultural science and technology park : make a comprehensive survey of the agricultural science and technology park development, statistical data on the agricultural science and technology park in the year of 2002 was applied to do macro analysis, with the result of development problems and propose the settlement. this study is conducted based on typical case study and theoretical analysis from the aspects of growing background, overall effect, operating model and the driving force in four national agricultural science and technology parks : shandong vegetables demonstrating park, henan xuchang national park, gansu dingxi park and beijing shunyi three - hi agricultural pilot model area. then analyse and sum up the general laws and different points. the creative research of this paper lines in raising the new theory of sci - tech agricultural industry organization for the first time, build up the theory analysis framework for agricultural science and technology park ; according to the theory analysis framework, sum up the development general model from choosing the national agricultural park in typical region ; build up th
運用典型案例剖析與理論分析總結相結合的方法，分區域按照發展成效在全國范圍內選取山東壽光蔬菜高科技示範園、河南許昌農業科技園區、甘肅定西旱作生態型農業科技園區和北京順義三高農業示範區，從園區的成長背景、建設發展的總體成效、運作模式和園區發展的動力等幾個方面對農業科技園區的發展進行了深入研究，並對園區發展模式的共性規律和差異之處進行了分析歸納；本文創造性的研究在於：首次提出了科技農業產業組織理論，構建了農業科技園區理論分析框架；根據這一理論分析框架，通過選取典型區域的國家農業科技園區進行實證研究，總結歸納了園區發展模式共同特徵並進行了差異分析；首次提出了適用於不同評價對象和評價意圖的三套國家農業科技園區評價指標體系，並創造性運用多元統計分析方法和系統分析方法對國家農業科技園區進行綜合評價。Independently of these two principal streets, piercing paris diametrically in its whole breadth, from side to side, common to the entire capital, the city and the university had also each its own great special street, which ran lengthwise by them, parallel to the seine, cutting, as it passed, at right angles, the two arterial thoroughfares
除了這橫貫巴黎全城、為京都所共有的兩條主幹道之外，新城和大學城都單獨各有一條特別的大街，縱貫各自城池，並與塞納河并行，而且延伸開去，恰好與那條動脈大街交叉成直角。In this thesis, on the basis of the existing successful designs. taking the railway concrete - filled steel tubular x - arch bridge, the first of its kind. in the jiuqu river in the artery running from beijing to shanghai, as an example, the author made a summary of main parameters necessary to design of these bridges, made a comparison between existing calculation three models and performed the internal force calculation, carried out the stability analysis of the bridge under and after construction, discussed the effects of the numbers and positions of the lateral braces on the stability, and also, in the last part, gave out part dynamic analysis result
本文以我國第一座鐵路鋼管混凝土拱橋? ?京滬線九曲河提籃拱橋為背景，在搜集已有的拱橋的設計資料的基礎之上，對鋼管混凝土拱橋的主要設計參數進行了歸納和總結；對九曲河鐵路提籃拱橋的簡化計算模型進行了比較並用簡化模型進行了內力分析；對拱橋在施工期間的穩定性和成橋后的穩定性作了計算，討論了橫撐的位置和數目對拱橋的穩定性的影響；對拱橋的自振特性作了分析。
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