等落差法 的英文怎麼說

中文拼音 [děngchā]
等落差法 英文
equal fall method
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 落名詞[方言] (北方對蓮花落的俗稱) a kind of folk song
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 落差 : 1 (水位的差數) drop2 (蓄水高度) head3 fall head; [地質學] throw; drop height; falling head落...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群多樣性4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. It divides the main vegetation of the headwater region of huangpu river into 4 categories based on field survey and observation and methods of factor analysis and systematic cluster analysis and according to the degree of soil and water conservation function : deciduous trees and shrubs are category 1 which shows very strong soil and water conservation function ; tea plantation, grasslands and pine trees are category 2 which has stronger function ; the category 3 is moso bamboos and broadleaved evergreen trees which have stronger permeability and erodibility, but the permeable performance is not outstanding, the capacity of soil moisture storage common and soil and water conservation function moderate and ; the category 4 is uncovered land where the soil and water conservation function is very weak and its permeability, erodibility, erosive resistance and soil moisture storage capacity are all notably smaller than that of the other lands

    摘要在野外調查、實測的基礎上,採用因子分析、系統聚類分析的方,根據土壤層水土保持功能的強弱,將黃浦江源區主要植被類型分為4類:闊林、灌木林為第一類,表現出很強的水土保持功能;茶園、草地、松林為第二類,土壤水土保持功能較強;毛竹林、常綠闊葉林表現出較強的抗蝕性和抗沖性,但滲透性能並不突出,土壤貯水能力也一般,水土保持功能中,為第三類;裸露地水土保持性能很,單獨作為第四類,其滲透性、抗蝕性、抗沖性、土壤水庫容都顯著小於其他各樣地。
  3. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度內容的流場校測。特別對邊界層測量的原理及方做了較詳盡的敘述,總結出邊界層厚度與設定風速、實驗段深度的關系,然後給出模型中心區一定風速下校正數值。
  4. This thesis takes the process of the futures delivery as the object of the research, analyzes and investigates the physical delivery system. firstly the thesis introduces the connotation, status and functions of the futures delivery in the futures market, and then makes a deep research in the futures delivery systems concerned such as the designing of the grade of the listed commodity at par as well as the premium and discount, the selection of the delivery locations and the regulation on the designated delivery warehouses, as well as the management and circulation of the warehouse receipts. on the basis of the above - mentioned analysis, this paper makes some constructive suggestions and recommendations on the improvement and innovation of the futures delivery to be taken by the chinese futures market at the present stage

    本文首先闡明了期貨交割在期貨市場中的經濟內涵、樞紐地位和功能保障作用;然後,從合約設計出發,用均衡原理揭示了期貨交割制度與品種活躍和風險控制的有機關系;進而,對比中外交割制度,通過比較,認清了中外現貨基礎、誠信和環境因素的距,明白了「拿來」的內容和如何構建中國特色的交割制度;從而,就小麥國家標準的歷史局限性,標準和替代交割品級及其升貼水的設計原則,交割標準把握的出發點和腳點,交割倉庫設置和管理的目標和狀況,標準倉單沾滯的根源期貨市場交割制度及相關規定,進行了深入而細致的剖析。
  5. This thesis attempts to explore some issues that deserve greater attention and further elucidation. based on a number of on - the - spot surveys and investigations, the thesis, taking statistics approaches such as factor analysis, one - way anova, independent - sample t test and regression, carries out in depth study of the push - pull theory, residents ’ perceptions and attitudes towards tourism in vernacular villages in southern anhui. furthermore, this thesis analyzes problems existing in tourism development of vernacular villages in southern anhui from a macroscopic perspective

    為了促進皖南古村旅遊的可持續發展,本文試圖從目前皖南古村旅遊研究中涉及較少或已涉及但有待深化的領域著手,在大量實地走訪、問卷調查的基礎上,通過因子分析、方分析、 t檢驗和回歸分析定量評價方,深入研究皖南古村旅遊推力-引力體系和古村居民感知與態度,並從宏觀層面上分析皖南古村旅遊發展中存在的一些問題。
  6. In order to overcome the disadvantages of traditional binding mortar, in this paper new type binding mortar, has been developed in the paper, by adding polymer into mortar to improving the wetting binding strength and durability of mortar the key techniques of compounding binding mortar are how to reduce the polymer - cement ratio of binding mortar, and how to improve the creak resistance of binding mortar

    針對傳統粘結砂漿施工和易性、粘結力低、耐久性、用於粘貼外墻飾面磚易剝問題,本文採用在砂漿中摻入一定量的聚合物的方,以提高砂漿的粘結力和砂漿的耐久性為突破口,開發出來了一種性能優良的新型粘結砂漿。
  7. In this part i introduce the process of u. s, india and braze on how to develop their poor districts and then concludes their experiences further. part 3, analysis on finance policies to shorten territorial gap. transfer policy and tax policy are the two main effective tools

    主要介紹了美國、印度和巴西國家開發後地區、縮小區域經濟距的做,並進一步總結了這些國家的經驗,為做出適合我國國情的開發後地區的財政政策提供了有益的參考。
  8. For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved

    全匯報方存在冗餘的匯報信息,而且實時性較,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了篩選,最後介紹的碰撞在減少冗餘信息的同時又提高了實時性;二、為了集群功率控制動態模擬的需要,提出了移動臺的隨機運動方程,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復雜網路環境變化,提出了功率控制的智能預測模型,通過智能預測模型可以改善功率控制的性能,著重介紹了採用神經網路的方實現智能預測的通用模型,從而跟蹤復雜多變的無線環境,諸如慢衰及快衰(包括多徑衰、多普勒效應所引起的衰網路特徵,達到預測功率需求;四、採用二級正交碼和智能天線(空分多址)的方進行組內用戶的識別,改進功率控制效果;五、話權用戶的前向和反向功率控制方;六、對引入gota的cdma系統提出了復合容量表示方,並作容量分析,探討有關gota系統的qos問題。
  9. This dissertation thinks the main causes which produced the graduating students " employment in our country are : the ideal of elite education controls the educational behavior of the whole society ; the reform of higher education falls behind the transition of economy, the graduating students " employment patterns ca n ' t satisfy the changing demand of the human resources " market ; the cultivating aim of higher education does n ' t fit to social demands ; the management pattern of employment falls behind the demand of market economy ; the existence of differences among all kinds of jobs, between the city and the county, and among different areas

    本文認為我國高教育發展進程中出現的就業難問題,主要原因有以下幾個方面:精英教育理念左右了全社會的教育行為;經濟轉型時期,高教育改革滯后;畢業生就業模式無滿足人力資源市場需求變化的特點;高教育培養目標與社會需求錯位;就業管理模式後於市場經濟要求;工種別、城鄉別與地區別的存在。
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