改型前 的英文怎麼說

中文拼音 [gǎixíngqián]
改型前 英文
pre modification
  • : Ⅰ動詞1 (改變) change; transform 2 (修改) revise; alter; modify 3 (改正) rectify; correct 4 ...
  • : 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...
  • 改型 : retrofit
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類識別。
  2. In this paper, we modify the model, which is built by others, of human - board system of springboard diving. in the view of biomechanics and biomathematics, we build the simple model with pivot and 4 - rigid model, and make further analysis

    本文是在人已有工作的基礎上,對已有的模進行了進,運用運動生物力學和運動生物數學分別建立了帶有支點的簡單模和四剛體模,並對模進行了更進一步的討論和分析。
  3. Results contrast with the unimproved or some previous models, the features of tumor microvascular networks generated from our model by simulating the angiogenesis in caecum tumor, such as vascular tortuosity, branching and anastomosis, are closer to the physiological facts and more resemble the experimental observations

    結果對盲腸腫瘤微血管網進行數值模擬,與的模和其他模比較,本模生成的腫瘤微血管網結構特徵,如血管的走向、扭曲、分叉與融合等,更接近生理實際,與實驗觀測圖像的相似度更高。
  4. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原,增加可兩次點火的末級發動機,裝成具有跳躍能力的地地彈道導彈;首先,根據任務需求,建立了導彈的氣動模,並建立了彈頭再入時高超聲速氣動模;其次,建立了導彈推進系統模兩級採用了固體火箭發動機,第三級採用了固?液組合火箭發動機,並在總體方案要求下,對發動機噴管和外形進行了設計;第三部分,建立了導彈質點彈道模,設計了一條跳躍式彈道,並對跳躍式彈道進行了優化設計;最後,對導彈進行了突防能力分析,從分析的結果可以看出,跳躍式彈道的突防能力比常規的拋物線彈道要強。
  5. The design of dgwfs and the quadratically distorted diffraction gratings is introduced firstly in chapter 1. secondly, based on the prevenient algorithms, the phase retrieval for the novel dgwcs is discussed by comparison, also more analysis is made by examples in chapter 2

    第二章在總結、研究和人理論方法的基礎上,總結了適合光柵曲率傳感器相位恢復的三種演算法,並作了詳細的理論推導、分析和舉例說明,完善了光柵波曲率傳感器的相位恢復理論。
  6. Remodeling the front rounds

    改型前
  7. The china helicopter research and development institute is the only professional scientific research organization for helicopters design, research and experiment. it is the leader of the chinas helicopter development in this industry. the xbrothers security and facility control system has been applied in its computer room

    中國直升機設計研究所是我國唯一一家專門從事直升機設計研究試驗工作的綜合性大科研單位,在新號和設計新技術攻關先進技術預研項目中,充當著中國直升機工業陣營中的「革命軍中馬卒」 。
  8. The results indicated that the efficiency of turbine was enhanced obviously, the efficiency curve overcasts the unchanged one completely. given the same output, the efficiency after retrofit design was higher than that before retrofit design, which was more distinct in high load area

    結果表明,水輪機效率特性明顯增加,其效率曲線完全包絡的效率以上區域,在發出相同效率的情況下,後效率均比改型前高,在高負荷區表現尤為明顯。
  9. ( 2 ) taking the vehicle platform variant as precondition, this paper deeply researches the function - structure and function - structure decomposition of rear - axle. the rear - axle product model for variant design is built using general cad software ( unigraphics )

    ( 2 )以滿足平臺設計需求為提,深入研究了汽車后橋的功能結構和功能結構分解,利用通用cad軟體( unigraphics )建立了適應變設計的汽車后橋產品模
  10. Electromagnetism design is mostly remodeling design. searching for the most similar case to the current design is very important

    電磁方案設計多為設計,檢索與當設計最為相似的方案至關重要。
  11. The main reason are as following : on one hand, the nd - rich phases in the hydrogen desorpted powders is so brittle that they are easily milled too fine and some are run off seriously, and then inducing low density. on the other hand, the alignment of the magnets prepared by hydrogen desorption are much low. so the hydrogen desorption process should be modified, and the solution methods can be the substitution of traditional ingots with strip cast, the enhancement of the alignment magnetic field and the addition of nd - rich phase or ( and ) lubricant before the press

    主要原因是hd磁粉中的富釹相較脆,在球磨時容易被磨成超細粉而造成過量流失和使磁體燒結不夠緻密;另外一個原因是hd法燒結磁體的易磁化軸的取向度較低,為了提高hd磁體的b _ r和( bh ) _ ( max )可對hd工藝進行進,進的方法可以是用鑄片代替鑄錠,提高成磁場強度以及在磁粉成加富釹相和潤滑劑。
  12. Then based on it an audio encryption algorithm is proposed by adopting module operation, which has nice encryption characters in the simulation. another audio encryption algorithm based on zero dynamical nonlinear invertible system is studied and improved. in order to compare the encrypiton characters between the improved and the original algorithm, their applications to audio encryption are simulated, and the corresponding results are shown in chapter 3

    本文的主要成果有:提出了一種混沌實值序列的生成方法,並在此基礎上引入模變換對語音信號進行加密,經實驗模擬可以得到良好的加密效果;對零動態可逆混沌語音加密通用模的一個具體加密演算法進行了進,並通過模擬實驗比較了後演算法的加密性能。
  13. Abstract : laser device in ijl88 - 200 laser rangefinder is refitted by adjustfree one. comparative tests are made between them, the results are ideal

    文摘:將ijl88 - 200激光測距機中的激光器裝成「免調試激光器」 ,並對後的激光器及測距機的性能進行對比試驗,取得了理想的結果。
  14. Avoid using this data type in new development work, and plan to modify applications that currently use them

    數據類。在新的開發工作中將不使用此數據類,並計劃修使用此數據類的應用程序。
  15. Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier

    通過詳細分析地層的吸收衰減特性, system - one ( two )頻譜整形濾波器及24位a d的特點,對現有採集系統提出了進方案。其中包括對多級微分頻譜均衡濾波器的理論設計,程式控制置放大器的理論分析與設計。
  16. Any plans for new creatures and castles ? what about changing the models / appearances of current creatures

    有沒有加新生物和種族的計劃?或更生物的造
  17. Under the perfect model assumption, the characteristic equations for the setpoint change and load disturbance are distinct and include the process model and the controller designed to handle each disturbance

    在假定準確的模提下, pec控制對設定值變和存在干擾的特徵方程式是獨特的,其中還包括了過程模和控制器處理各種擾動的設計。
  18. The paper discusses how to design the chinese character and word code to meet the various input modes at first, then designs a dynamic self - study language model, and analyses the data smoothing algorithm in the language model

    文章首先討論了怎樣設計字詞碼本結構,使之能夠滿足靈活多樣的輸入方式,繼而設計了一種動態自學習語言模,重點分析了數據平滑演算法在語言模中的應用與進,最後通過一個輸入法示常式序,對後不同情況下的輸入效果進行了測試。
  19. With the aim to study the fishing variations between the single - trap set net and the double - trap set net, catch per unit effort ( cpue ) and seasonal index derived from monthly landings at two fixed shore - nets along the coast of tang - ao in northeastern taiwan were examined for the last 10 years from 1975 to 1984

    摘要為究明定置網(雙落網)與傳統定置網(單落網)之漁獲效率及漁期差異性,乃以東澳新協發定置漁場網後各5年之魚種別歷月漁獲統計資料加以檢測解析,結果如次: ( 1 )網良后的總平均單位努力漁獲量較成長3倍有餘。
  20. This paper sums the situations and trends of domestic and international engineering machinery firstly, discusses the demands and implements of intelligent and long - range monitoring and controlling, and constructs a three - layer model of the engineering machinery long - range monitorin and control system : the front unit control systems, the machine - mounted monitoring system and the long - range control center ; proposes a kind of structure of embedded system based on c / os - ; dissects the characteristics, structure, operation and schedule principle of c / os -, modified the kernel, and improves dependability of the schedule algorithm ; designs the hardware in detail : the microprocessor at91rm9200, the store unit, the serial interface, the human - computer interaction interface, the can bus control module, the debug interface and the reset circuit etc. ; on this basis, succeeds in transplanting c / os - to the system, sets up the operating system framework, designs the driver, sets up the institutional framework of upper user ' s application, provides the method and concrete application process of the graphical user interface module based on c / os -. the system designed in this paper, not only has the functions of local control, friendly human - computer interface, but also has various interfaces which make the system can be managed by the long - rang center

    本文首先綜述了國內外工程機械行業發展的現狀和趨勢,闡明了實施工程機械智能化及遠程監控的意義和需求,並為此構建了工程機械遠程監控系統三層結構模:端單元控制系統、車載監控系統和遠程監控中心;提出了一種基於c / os -的嵌入式車載監控系統構建方案;深刻剖析了c / os -的特點、內核結構、運作機理、調度演算法,在此基礎上對其內核進行移植的必要修,並對其調度演算法進行了可靠性進;對構成嵌入式系統硬體的各個主要部分:嵌入式微處理器at91rm9200 、存儲單元、串列介面、人機交互介面、 can總線控制模塊、調試介面以及復位電路等做了詳細的設計;在此基礎上,成功地將c / os -實時內核移植到本文研發的嵌入式硬體系統中,建立了車載監控系統的操作系統體系結構,編寫了該操作系統的底層硬體驅動程序,建立了上層用戶應用程序的組織結構,並給出了圖形用戶界面模塊化應用程序在c / os -操作系統上的建立方法和具體應用過程。
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