遞減特性 的英文怎麼說

中文拼音 [jiǎnxìng]
遞減特性 英文
decline characteristic
  • : Ⅰ動詞(傳送;傳遞) hand over; pass; give Ⅱ副詞(順著次序) in the proper order; successively
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 遞減 : (一次比一次減少) decrease progressively [successively]; decrease by degrees; reduce progressively
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Based on the development feature analysis, this paper studies thoroughly the reservoir flood feature and remaining oil distribution through the microstructure, sendimentary phase, reservoir heterogeneity and well control, and proposes the comprehensive adjustment based on the injection and development well net structure and improvement the result of the research is obvious with the production degression rate from 9. 14 % of 1997 to present - 1. 46 %, and water rate from original 0. 33 % to present 0. 16 %. in summary, the research idea, method and new achievement of the thesis provide a scientific geological basis for the oilfield development improvement

    在對本區開發歷程和開采徵分析的基礎上,從微構造、沉積微相、儲層非均質、井網控制等方面深入地分析了油藏水淹徵及剩餘油分佈規律,提出了以完善注采井網、調整注采結構為目的的綜合調整措施,已見到了明顯的效果:油田由1997年的9 . 14降至目前的- 1 . 46 ,綜合含水上升率由原來的0 . 33降至目前的0 . 16 。
  2. Greenschist facies, low green schist facies and brittle shear deformation facies. the attitude of different structural element of the yagan mcc are keeping coordination. analysis of kinematics demonstrates the sse - directed shearing - off of the hanging wall relative to the footwall along the penetrative mylonitic lineation

    其變形相由變質核中心到上盤巖系(由深至淺)依次為高角閃巖相? ?綠片巖相? ?低綠片巖相? ?脆剪切變形相,顯示亞干核雜巖由中心向邊部變形層次點。
  3. Iir filters are a kind of digital filters with recursive structure and are primarily used for high data throughput applications that can tolerance phase distortion and require a sharp cut - off characteristic

    本文討論的iir濾波器是一種歸結構的數字濾波器,主要用於能夠容忍相位失真而要求具有良好的衰的高數據處理量的系統中。
  4. The modern technology give a chance for the pattern of transmitting knowledge with network, the course based on network have opened up it ' s way in china, our pursuer paid more attention to the mode, but in america, pursuer have studied the more width aspect, thereinto the investigation and design of the information in the course based on network is very important, for the design of the information decide the pattern how the student receive the information, which will effect the way of knowledge understanding and memory, and the way is related to the study pattern, so the design of the information in the course based on network is very important to the efficiency and effect. so the core of the paper is the investigation and design of the information in the course. i have the entropy from the information science as the analyse tool to analyse the information, these work tell us the efficient pattern to transmit information, based on the result, i design the net page, of course, study theory and the character of the net itself are also the factors i employ for design a good net page. then, links and navigation is constituted for students adapt to the course based on network

    當今技術的發展給知識以網路為媒介來傳播的學習方式帶來前所未有的機遇,網路課程在國內迅速開展起來,但是國內研究者的注意力主要集中在對網路課程模式的探索上,放眼國外,他們的研究觸角已經涉及到網路課程比較細致的方面,尤其是對網路課程信息的研究構成了國外網路課程研究中的比較重要的一個方面,而網路課程中信息的設計是重要的,因為信息的組織設計是為了接受者能對信息進行有效的信息加工,信息的呈現模式影響著學習者對知識的理解和記憶方式,進而決定了學習者的學習模式,因此網路信息的設計在網路課程傳的效率和效果中就佔有很重要的位置。基於這個觀念,本文把網路信息的組織設計作為研究的重點,引入了信息科學作為研究的主要工具對網路中的信息作以量化分析研究,主要應用了信息科學中信息熵的公式進行推導,得到學習內容信息組織的基本模式,並充分利用網路自身和學習理論對知識信息進行細致的設計,此外還對鏈接和導航信息進行了設計,在網路課程的適應方面作出了努力,把交互信息與輔助學習信息的分析設計與應用和對網路頁面信息的總體調節優化作為主體信息設計部分的補充,最終形成了網路信息組織設計的方案,力求創設一個能夠有效傳知識信息,少網路自身弊病,並帶有一定適應的網路學習環境,也使更多的網路課程的設計者關注網路信息這個因素。
  5. The primary causes of the regime shortage are the state monopoly and the state control over the education. the primary cause of the structure shortage is that the budgetary appropriations are not in favor of the compulsory education and the underdeveloped district. then this article puts forward some suggestion to alleviant these kinds of educational shortage : to raise the repay of human capital ; to initiate a system of public financial regulation ; to increase the government appropriation for education ; to relax the state control over education ; to improve the form of the financial transference expenditure, and so on

    總量短缺的成因主要是我國人口多、經濟發展水平低,教育投資資本邊際效率趨勢、教育投資預期收益相對偏低等;財政短缺的主要成因是在國家加快推進工業化別是優先發展重工業的戰略下,政府財政支出的重點必然傾向物質生產部門,而近二十年的財政制度創新都因利益格局的剛只能作有限突破等;體制短缺的成因主要是政府壟斷阻礙各類要素往教育領域的流入等;結構短缺的成因主要是分級分權撥款體制無法保證教育投資的公平等。
  6. According the distance away from cpu core near to far, the acces speed of memory falls down from faster to lower, but the cost from higher to less

    這種多級存儲層次的速度則根據距離cpu核心運算單元的近遠,呈現出逐級按級數,成本逐級增的
  7. The dynamic response of the experiment model is studied by transfer function response, and the natural frequency and vibration mode of the vibration system are measured, the dynamic characteristic is mastered, which provides the experiment test method of dynamic data for the structure design of reinforced concrete and the shock absorber design of the system, especially provides the design rules to vibration control of the machine equipment which are built in the building structure

    用傳函數響應方法對實驗模型進行動態響應實驗研究,測得振動系統的固有頻率和振型,掌握振動系統的動態,為鋼筋混凝土建築的結構設計和系統振設計提供動力學的實驗測試方法,尤其給安裝在建築物內機械設備的振動控制提供了設計依據。
  8. Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )

    ( 3 )研究不同色散類型(拋物線、線、指數)光纖構成的環形腔中傳輸的,發現其色散曲線為指數型光纖有利於皮秒光脈沖的傳輸與壓縮;而對于飛秒脈沖,由於三階色散( tod ) 、脈沖拉曼自散射( srs )及自變陡( ss )等高階非線效應的影響,情況恰恰相反;色散曲線為拋物線型的光纖構成的光纖環最有利於脈沖傳輸與壓縮。
  9. The great tour purchasing power is the drive power of promoting the region ' s tourism developmentln the regional space, scale economic and regional separation are one of the basic characteristics of promoting tourism industry, so we must arrange the regional tourism industry with a systematic method and give prominence to the central city. for its outstanding area in the regional space, central city has evident superiority in the regional ecnomic development, and has echelon between central city and its periphery scennic spots, which is the inducement mechanism of tourism industry ' s arranging, developing and advancing step by step. for the law of diminishing marginal utility and the theory of equilibrium, the max utility equilibrium of tourism consumption be at the point of tangency of undiscrepancy curve and the cost budget curve

    中心城市居民巨大的出遊力是拉動其周邊旅遊地發展重要的內在驅動力;由於地緣關系,區域規模經濟與地域分割並存,是旅遊產業運動的一個基本徵,為此必須對區域旅遊經濟進行系統化布局,突出中心城市的產業中心;因其區位條件獨,中心城市在區域經濟發展中居於明顯的優勢,與周邊城鄉部位存在經濟發展上的梯次,這種梯次是區域旅遊生產力布局、產業發展梯次傳動,最終整體聯動的經濟誘導機制;根據邊際效用規律和旅遊者最大效用均衡理論,旅遊消費效用最大化的均衡在無差異曲線與開支預算線的切點(即旅遊目的地選擇的最佳位置)上,且隨著邊際效用,目的地選擇的最佳位置向遠離中心城市方向移動,這就是中心城市與周邊旅遊地互動關系的經濟學解釋。
  10. Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west

    本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候徵及大尺度環流背景進行分析,形成對高原暴雨的整體認識,並為以後的數值模擬提供大尺度環流背景及依據,分析中發現: 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響,年降水量和大到暴雨次數自東向西呈階梯趨勢,分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。
  11. After strict formal analysis with ban logic, the result have proved that the authentication protocol is secure. the improved access control scheme is realized by the mode of single - key - lock - pair. under new access control scheme, user can own several kinds of access right upon one file under the new scheme without the supposition that the access rights is increase by degrees, and the possibility of overflow problem is significantly reduced by our new method

    作為對原雙向認證訪問控制方案的改進,改進后的雙向身份認證協議可以很好的抵抗中間人攻擊和重放攻擊,經過嚴密的ban邏輯形式分析和論證,結果表明該協議是安全的;改進后的訪問控制方案用單鑰-鎖對方案實現,除保持了一般單鑰-鎖對方案的良好動態外,在不需要訪問權限增假設下,實現了用戶對文件的多種訪問控制權限,並大大小了溢出問題的發生可能
  12. Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate

    摘要以普蘭德動量傳理論為基礎,按照卡門的三層模型,通過室內模擬環道用0號柴油及加入阻劑在圓管內的流動參數的測定,計算了非牛頓型流體管內湍流邊界層的層流內層、過渡層、湍流中心的渦流粘度,渦流粘度與運動粘度比、總應力隨相對位置的變化等定量參數,探討了高分子阻劑對非牛頓流體流動的影響,對湍流阻現象的機理與增大阻率的條件進行了定量分析。
  13. The dividing process is recorded by octree, and then we make out the rapid adjacent - field searching algorithm using envelopment - box ' s recursion feature. this algorithm can also kick off some noise - points from the data cloud. it make the consequent process of surface reconstruction more convenience and precise

    分割過程採用八叉樹來記錄,並利用包圍盒的實現了點的鄰域的快速搜索演算法,同時可以有效地排除噪聲點,顯著少了密集散亂數據點雲幾何建模所花費的時間,提高了建模效率。
  14. Two layers vibration - isolating unit has been compared with single layer one, its delivering rate of force and a group of parameter curves have been obtained based on the characteristics of attenuation and stability

    根據衰和穩定,對單層和雙層隔振系統作了分析比較,為雙層隔振系統推導出傳率的一般方程,並求得一組影響傳率的各種參數曲線。
  15. Analyses the characteristics of transmission, natural attenuation, regeneration and superposition of noise

    分析了空調系統噪聲的傳、自然衰、再生和疊加
  16. A modulated signal of rect ( tt / pw ) added by a zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以雙邊波電壓訊號加上含有準常態雜訊為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同
  17. A voltage signal uexp ( tt / pw ) added by zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以加上均勻雜訊之單邊波電壓訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同
  18. A modulated signal of eexp ( 2 * tt / pw ) added by a zero mean uniform noise. is demonstrated for 2 - d dependence of the waveform on time and trials and 2 - d dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random process including noise and signal

    以雙邊波電壓訊號加上均勻雜訊乘以無雜訊載波之調變訊號為例,圖示含有雜訊電壓訊號其波形隨時間及試驗之二維變動及頻譜隨頻率及試驗之二維變動,顯示雜訊與訊號之隨機過程在時域與頻域之不同
  19. At first, the article analyzed the change trend of the monetary velocity of our country since reform and opening - up. the monetary velocity of our country has demonstrated the regular time sequence characteristic that decreases progressively for a long time since the reform and opening - up, have consistency with the general downward trend of the monetary velocity in the whole world

    本文首先對改革開放以來我國貨幣流通速度的變動趨勢進行了分析,發現改革開放以來,我國貨幣流通速度變動長期表現出有規律的時序徵,與世界范圍內貨幣流通速度普遍下降的趨勢具有一致
  20. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況,利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰。論文的後半部分(第五,六,七章)著重分析了現有基於故障電流的暫態保護原理和判據存在的問題,提出了新的實現方案,並討論了暫態電流保護的運行能。利用多分辨分析和小波分解快速演算法構成的推暫態保護判據,可以準確區分故障線路和非故障線路,實現超高速暫態電流保護,計算更為簡單方便,計算速度更快。
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