環空流前 的英文怎麼說

中文拼音 [huánkōngliúqián]
環空流前 英文
annulus flow profile
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  1. Sichuan is one of the agricultural province, locates in the area between the continental climate and oceanic climate, the distribution of precipitation is always disproportional due to the influence of atmosphere circumfluence, the existence of drought and floodwater plus water pollution have produced huge menace to agriculture, water resources utilization, soil erosion and even the life and properties of human being

    解決水資源的諸多問題，是擺在全黨、全社會和全國人民面前一項刻不容緩的重大戰略任務。四川作為貧水國的一個農業大省，由於地處海洋性氣候與大陸性氣候交接地帶，受大氣環流影響，降水時空分佈不均，水旱災害極為頻繁，尤其是乾旱對農業生產的威脅最大。
  2. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。
  3. The space that although macao develops substance, flows is very large still, but the goods that hinders to be handled at present at macao is given priority to with goods of cross - strait change trains ( occupy whole about 5 into half ), too onefold supply of goods also sheds estate development to bring a bit secret worry for macao content, shed the difficult position of development to break substance, be necessary oneself of airport of have the aid of and environmental advantage, extend more perfect aviation to carry a network

    雖然澳門發展物流的空間仍然很大，但礙于澳門目前處理的貨物以兩岸中轉貨為主（約占整體的五成半） ，過于單一的貨源亦為澳門物流業發展帶來一點隱憂，為打破物流發展的困境，有必要藉助機場自身和環境優勢，拓展更完善的航空運輸網路。
  4. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為： （ 1 ） 、這次冷渦在其發生發展過程中，其移動路徑是沿經圈直線南壓，攜帶的冷空氣勢力較強，形成槽后較強的垂直運動； （ 2 ） 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸，把源源不斷的西南暖濕氣流輸送到遼西地區，也就是急流軸的左前方位置，為這次暴雨的產生提供了充足的水汽來源； （ 3 ） 、低空急流不但為暴雨輸送水汽，其造成的較強的垂直環流也是產生強降水的一個主要原因； （ 4 ） 、 mm5模式以四維同化資料作為初始場，最大限度地避免了觀測誤差可能造成的積分不穩定，提高了模擬結果的參考價值。
  5. ( 4 ) there exist close relation between the floods season precipitation in northeast china and the anomalies of subtropical summer monsoon, the anomalies of cold air, sub - tropical anticyclone, polar front jet, north hemisphere general circulation anomalies in winter

    （ 4 ）東北汛期降水與西南夏季風、北方冷空氣、副熱帶高壓、極鋒急流、前期冬季環流異常密切相關。
  6. The crown dragon network science and technology limited company has a high quality the technical team, condensed the member which as soon as the endorsing industry kind young, has the vigor, they have the outstanding performance in respective position as well as the rich actual combat experience, has the charm is their creativity and the offer spirit. " with the perfect technical service, satisfies the customer to request " is our management idea ; the company by the unremitting endeavor, a higher goal requests throughout oneself, while consummates own management pattern unceasingly and sharpens the technical research and development ability, promotes the chinese internet enterprise development. the company hosts hit the hypothesized main engine, the system development, the main engine are entrusted with entire, machine rent, the domain name registration, the homepage manufacture, the enterprise post office, the website application, the promotion and so on the basic network service, for individual, the enterprise and so on each kind of organization provides the consummation the service

    正清然科技公司作為立志從事綠色環保事業的一員，鑒於我國目前以城市為中心的環境污染日益嚴重，並有急劇向農村蔓延之趨勢，深深感受到自己身上的責任義務和緊迫感，於2000年初組織了國內一流的科研開發人員，用了四年的時間傾力攻關，厚積薄發，拿出了擁有自主知識產權的「碧清」品牌清潔護理系列產品，與其他有機溶液清潔產品不同的是，該品主要採用提取純天然植物精華為原料，對所清潔對象採取去污上光除菌護理並可形成保護膜，達到濕潤滋護防老化抗黃變防靜電等作用，是目前最為理想的綠色環保清潔護理系列用品之一，該品的研製，填補了國內空白，並達到世界領先水平。
  7. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  8. On the basis of the background of the present situation in the development of real estate industry in china, this paper, in view of existing situation of marketing planning and combining with the problem of marketing planning in my job, expounds content and working procedure which should focus on during the process of marketing planning, analyzes the present situation of domestic real estate market, and constructs a frame of marketing planning by way of real estate market survey, products planning, sales planning analysis, information feedback research

    這在一定程度上加劇了大量商品房空置，造成社會資源的極大浪費。為此，筆者立足於當前中國房地產發展的大環境，針對房地產營銷策劃的現狀，結合所在公司項目營銷策劃課題，對房地產營銷策劃過程中的重點內容和操作流程進行了闡述，分析了當前國內房地產市場的現狀，並通過市場調研、產品策劃、銷售策劃、信息反饋的研究構建了房地產營銷策劃的框架。
  9. On the basis of the background of the present situation in the development of real estate industry in china, this paper, in view of existing situation of marketing planning and combining with the problem of marketing planning in one company, expounds content which should be focus on and working procedure during the process of marketing planning, analyzes the present situation of real estate market in chengdu, and constructs a frame of marketing planning by way of market survey 、 swot and competition analysis 、 target marketing and marketing strategy

    這在一定程度上加劇了大量商品房空置，造成社會資源的極大浪費。為此，筆者立足於當前中國房地產發展的大環境，針對房地產營銷策劃的現狀，結合一家公司項目營銷策劃課題，對房地產營銷策劃過程中的重點內容和操作流程進行了闡述，分析了當前成都市房地產市場的現狀，並通過對市場調研、項目swot和競爭分析、目標營銷、營銷策略的研究構建了房地產營銷策劃的框架。
  10. According to the re - analyses on pollen assemblages and archeological evidences in the site and related documents, this paper reconstructs the sequence of fossil pollen - pollen - vegetation - paleoclimate during the prehistoric period, emphatically discussing environment changes, the space - time distributed law on archaeological sites, the origin of culture fault and formation mechanism

    本文根據孢粉學和考古學證據，結合相關文獻資料，從古地理學、考古學、歷史學等綜合研究的角度，重建史前時期化石花粉? ?孢粉植被? ?古氣候環境的演變序列，著重探討太湖流域新石器時期的環境變遷與古文化遺址的時空分佈規律、文化斷層的成因及其機制。
  11. In this thesis, the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed

    在航天飛行器上有廣闊的應用前景。本論文對mpt微波等離子體耦合流場進行了機理分析和數值模擬，建立了mpt的小推力測量系統，協同進行了mpt真空環境實驗研究。
  12. The goal of this paper is to study fully developed turbulent pipe flow. with the aid of the tripping annulus at the inlet, based on the experimental investigation and numerical simulation, detailed researches on a few basic rules in pipe flow have been performed, such as mean velocity profile, relative intensity of turbulence, the log - law, von karman ' s constant and reattachment length, thus filling some gaps in the research work of predecessors and obtaining a far - reaching understanding

    本文的目的就是利用入口擋環進一步探索充分發展的圓管湍流，通過實驗和數值模擬對圓管湍流的若干基本規律，如平均速度分佈、相對湍流強度、對數定律、馮?卡門常數和再附著長度等進行詳細的研究，以填補前人研究中的一些空白，並獲得更深入的了解。
  13. Based on detailed analyze on turbine engine and ramjet, a new conceptive internal - rotor burnt rotating ramjet ( irbrr ) with an rotating cylinder in the center of rotor in which the revolved stream can be ram - compressed and burnt has been proposed and some primary research have been done as below : the scheme of structure, principles, thermodynamic cycle and performances of the new conceptive engine has been studied in the paper

    本文通過對燃氣渦輪發動機和航空沖壓發動機的原理結構進行詳細分析並進行融合創新，提出了一種利用內置旋轉汽缸進行旋轉氣流沖壓壓縮和旋流燃燒的新概念內置燃燒室旋轉沖壓發動機，並進行了一些前期的基礎性探索研究，具體研究內容有:對旋轉沖壓發動機進行了總體方案設計、工作原理分析、氣動熱力循環和性能分析等概念性研究。
  14. This thesis introduced the status quo, existent problems and tasks which still need to be studied in the domestic and international research on ufad ( underfloor air distribution system ), expounded the principle and characteristic of ufad. compared with the traditional mixed ventilation, this thesis pointed out ufad has advantages of specially ventilated air organize, higher ventilation efficiency, flexible collocation, optionally accommodate to realize local environment in control of individual and satisfy personal request for the thermal comfort, and energy saving, and it is a ventilated way of all for human which has broad development foreground

    本文介紹了地板送風空調系統在國內外的研究現狀、存在的問題以及仍需研究的課題，簡述了地板送風的原理與特性，並與傳統的混合通風方式進行了比較，指出地板送風有獨特的通風氣流組織、較高的通風效率、布置靈活、能夠隨意調節實現局部氣候環境的個人控制滿足個人熱舒適性要求以及節能的優點，是一種充分體現以人為本的通風方式，具有廣闊的發展前景。
  15. Based on this conclusion, a standard and systematic risk management method suggests to be adopted. the following sector explores in depth the capital source channel of open - fund development ; the sales channel establishment and the variety innovation of the fund by introducing the marketing system theory. finally, based on the research of market background system and market elements which open - fund relies on, the paper points out the importance of market environment construction in the standardizing development of the fund, and gives a constructive suggestion to the scope development and standardizing operation of open - fund

    文章通過對證券投資基金的發展空間與趨勢研究、基金的運作機制研究，指出開放式基金是我國未來證券投資基金市場發展的主流產品，具有廣闊的市場空間和發展前景；通過對開放式基金的風險體系和主要風險特點的分析，提出規范化、系統化的風險管理思路與參考性方法規劃；通過導入市場營銷體系理論，就開放式基金發展的資金渠道方向、銷售渠道建設、基金的品種創新等進行深入論述；最後針對開放式基金所依賴的市場背景體系與市場要素，指出市場環境建沒對基金規范化拓展的重要性，並為開放式基金的規模發展和規范運作提出建設性建議。
  16. Points out that some designers only use empirical methods in determining the inner diameter of pipeline, calculating system resistance and selecting the rated flow and rated head of circulating pumps in water systems

    摘要指出目前一些設計人員在設計空調水系統時，僅根據經驗值估算管道內徑、計算管路阻力和選配系統循環水泵的流量和揚程。
  17. This paper presents a novel single phase aeronautical static inverter. a novel combining two - transistor forward converter is presented and applied in the front of three - level hysteresis current controlled inverter, and a single - phase 6kva aeronautical static inverter is developed

    本文介紹了一種新型的單相航空靜止變流器，電路通過一新穎雙管正激組合式變換器作為三態滯環控制電流型逆變器的直流輸入前級，成功研製出6kva單相航空靜止變流器。
  18. Aiming at the relatively lower air sterilization efficiency of wind tube with uv sterilizer, analyses the ventilation and environment characteristics of air conditioned buses with top return air and designs a new cleaning process

    摘要針對目前車載風筒式紫外線消毒器殺菌率不高的現狀，分析了車頂式空調客車的通風和環境特點，設計了新的凈化流程。
  19. This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered

    應用軟體以vc + +為開發平臺，考慮了特定汽輪機組的背壓保護曲線，通過計算空冷系統的熱力特性，實時給出當前環境溫度和環境風速以及循環水流量下機組的上限負荷，從而指導機組的運行。
  20. Annulus flow profile

    環空流前
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