本周小測驗 的英文怎麼說

中文拼音 [běnzhōuxiǎoyàn]
本周小測驗 英文
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  • : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 測驗 : test; trial run; examination; testing
  1. Metropolitan circle is the result of industrialization and urbanization, which is the embodiment of centralization and radialization when the metropolis is developing to a certainty, in order to advance the space and economy to conform, to form a corporate area, fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry this paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data, and theory model, and discusses the all - around regional development in chengdu area from a new angle, ie : using space structure model of metropolitan circle to develop the overall enhancement of strength in chengdu first, the thesis defmitudes the concept, connotation, and character of metropolitan circle, after that, it discusses the formative mechanism of metropolitan circle from the factors such as market, institution and ect moreover, from the practice of metropolitan circle ' s development in ho me and abroad, it summarizes the significance of the metropolitan circle form for the economic and social development, as well as the experience for reference and the problems we should pay attention to = based on these theories and practice, it brings forward the necessity and strategic significance of building metropolitan circle in chengdu, and analysis its possibilities, it also makes a research on the model of this circle, it innovatively brings forth that the double - polar circle structure of central city - sub central city - satellite town should be builded, through the establishment of index system, the sphere of metropolis circle in chengdu can be set which means the central city, sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area, and discusses the function orientation of center city and satellite town at last, it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in chengdu

    文將理論闡述和經實證分析與較全面的最新統計資料,以及理論分析模型分析結合起來,從新的角度深入探討成都的區域整體發展,即以都市圈的空間結構模式促進成都整體實力的全面提高。論文首先明確了都市圈的概念、內涵及特徵,從市場、等因素探討了都市圈的形成機理,並從國內外都市圈的發展實踐中,總結出都市圈這種空間形式所引起的經濟和社會發展的意義所在,以及我們值得借鑒的經和需要注意的問題。在此理論和實踐基礎上,提出構建成都都市圈的必要性及戰略意義,分析其可能性;並且對如何構建成都都市圈模式進行了探討,主要是創新性提出構建中心城市-副中心城市-衛星城鎮的雙極圈域結構,並通過指標體系的建立以確定成都都市圈的范圍,即中心城市、副中心城市和衛星城鎮的確定,以及定中心城市與邊地區的引力大,以及對中心城市和衛星城鎮的功能定位進行了探討。
  2. Z - tranformation augmented fasf algorithm proposed in the dissertation can reduce the search space of integer ambiguity effectively, improve the effiency and real - time processing ability of integer ambiguity resolution ; it is essential to analyse the reliability of integer ambiguity after it was fixed, the ratio test algorithm proposed in the dissertation can reduce the time to fix new integer ambiguity after wrong fixes are detected ; to reduce further the number of epochs required for ambiguity resolution, that the baseline length constraint information which acts as observables is used to do kalman filtering to speed up ambiguity resolution is proposed

    文提出的z變換增強fasf演算法能有效的減模糊值搜索空間,提高整模糊值解算的速度和實時性;整模糊值確定后,需要對整模糊值的可靠性進行分析,文提出的比率檢演算法能有效的減少整模糊值錯誤確定后整模糊值二次解算所需要的時間;為了進一步減少整模糊值解算所需的歷元數目,文提出把基線長度先信息作為觀量進行卡爾曼濾波輔助整模糊值求解。
  3. The paper accounts the importance and the necessity of the forecasting research to the stock return volatility of our country, and the use in practice of the forecasting about the stock return volatility, firstly, stock market of our country is divided into large scale stock 、 middle scale stock and small scale stock on the basis of stock size. secondly, according to the basic method of the mathematical statistics , the behavior of the return volatility about single stock is described by using the model of the rolling variance estimates 。 through the relation of daily returns volatility and weekly returns volatility and the forecasting accuracy of the volatility forecasting model to various stock scale , we do practical analysis with the forecasting research to return volatility of single stock market

    在個股收益波動性的可預性研究方面,首先按市值規模大將我國股票分為大盤股、中盤股和盤股,然後利用數理統計的基方法,用滾動樣方差估計模型描述個股市場收益波動性的行為,並對三種股票日收益率序列及收益率序列波動之間的關系以及波動預模型對各種股盤的預準確性進行了實證分析和結果檢
  4. Based on strain distribution acquired in experiment, the internal force evaluation model is set up, then, the structural behavior of slw are investigated in detail. combined with the nonlinear fem results, the structure behaviors are expressed in the concepts of " principal limb " ( pl ) and " load effect bearing ratio " ( lebr ), and the function for lebr determining is put forward, which may be used in the practical section design

    文進行了國內首例短肢墻結構體系低反復試;基於試的墻肢應變分佈,擬合了墻肢截面的應變分佈規律,並進行了短肢墻結構內力大及其分佈規律的分析,建立了墻肢荷載效應負載率的數學模型,為實際工程的截面設計創造了條件。
  5. Then the coupling beams with new reinforcement layout were made an inquiry into, and the improvement on the seismic behavior by coupling beams diagonally reinforced with a few rows in end regions was found out at last, based on the observations of the experimental phenomena and the analysis of the measurement result, and by the comparison of seismic behavior by making use of hysteretic response, ductility and energy dissipation behavior, a conclusion is presented : the code for design and construction of reinforced concrete high - rise structures ( the draft asked for advise hi 2000 ) ca n ' t ensure that the coupling beams have fairly good seismic ductility ; the result of improvement of the seismic ductility of the coupling beams by the increase hi stirrups besides the strengthen of longitudinal detailing reinforcement was n ' t obvious ; the coupling beams diagonally reinforced with a few rows in end regions have fairly good mechanisms, and the ductility and the behavior of energy dissipation are better than conventionally reinforced concrete coupling beams, so it is suitable to te tised in short coupling beams

    文通過對三根跨高比(均為l h = 1 . 0 )剪力墻洞口連系梁在低反復荷載作用下的試,了解了嚴格按《鋼筋混凝土高層建築結構設計與施工規程》 ( 2000年徵求意見稿)設計的連梁具有的抗震性能,研究了採取增大連梁配箍量同時加強縱向構造筋的方案對抗震性能的影響,並進一步對新的配筋形式的連梁進行了探討,了解了在連梁梁端配置多排交叉斜筋方案對連梁抗震性能的改善。通過對試現象的觀察和量結果的分析,利用荷載?位移滯回曲線、延性和耗能性能等指標對各個試件的抗震性能進行了比較,最後得出結論: 《鋼筋混凝土高層建築結構設計與施工規程》 ( 2000年徵求意見稿)不能保證跨高比連梁具有較好的抗震延性:通過增大連梁配箍量同時加強縱向構造筋的方案對改善連梁的抗震延性的效果不太明顯;梁端配置多排交叉斜筋的連梁具有相對較好的受力性能,其延性和耗能性能等各項性能指標均優于普通配筋連梁,宜在深連梁中採用。
  6. In addition, an experimental system using c language is established, including modules such as representation of waveform polynomial, decision of path senstization, delay computing, clocking based on single - period sensitization, clocking based on multi - period sensitization, test generation considering noise and transformation from bit - level waveform polynomial to word - level polynomial model. they respectively used to test models and techniques proposed in this paper

    另外, :基於c語言人設計開發了一個實軟體系統,該系統包括波形多j一貞式表示模塊、敏化通路判定模塊、延時計算模塊、單期敏化的最時鐘期精確確定模塊、多期敏化的最時鐘期確定方法模塊、考慮噪聲的試生成模塊和位級波形多項式描述轉化成字級多項式描述模塊,分別用於對文各章中提出的自動化設計的模型和方法進行實證。
  7. Mainly by using the data of land meteorological observation and sun radiation of mohe area, heilongjiang province, which is located deciduos needlelaf forest area in north china from 2001 to 2002, this paper adopts bats ( biosphere - atmosphere transfer scheme ), accepted in the world, and radiation computing solution developed by zhou suoquan et al

    文採用國際上公認的陸面過程模式( bats )和鎖銓等的輻射計算方案,主要選取大興安林區落葉針葉林區的漠河來進行試分析。使用2001 2002年常規地面氣象觀資料和太陽輻射資料,以6時為時間積分步長,進行了陸面過程和植被生長過程的模擬試
  8. As umbirfpa is a new type of infrared detecting device, its work principle is complex and its performance is affected by many factors. in the initial stage of developing, the design experiment and theoretical understanding are little interiorly. furthermore, the problems such as sensitivity reduced, dynamic range shortened, nonuniformity increased come forth if umbirfpa is not designed properly

    Umbirfpa是一種新型的紅外探器件,微輻射熱計的工作原理復雜,其性能受到很多因素的影響,目前國內尚處于發展初期,缺少實際的設計經和理論認識,同時umbirfpa又是在集成電路工藝線上生產的,投資大、期長,如果設計不當,不僅可能導致靈敏< wp = 13 >度降低、動態范圍縮、噪聲增大、非均勻性增大等問題,更可能的是根就不能用於成像,從而造成很大損失。
  9. Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs

    在系統機動性不強的情況下,傳統的平臺內阻尼演算法將系統身的速度信息通過阻尼網路加到系統中,達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中,在系統加速度較的情況下,利用加速度計的輸出估計系統姿態角,通過卡爾曼濾波的形式補償系統姿態誤差.由於加速度的大直接影響濾波器精度,文設計了模糊自適應卡爾曼濾波演算法,根據三軸加速度計的輸出調整內阻尼量誤差方差陣,從而避免了濾波器的發散.模擬和實證,內阻尼演算法可明顯抑制舒勒期振蕩和傅科期振蕩,避免了系統姿態漂移,有效提高了捷聯慣性航姿系統的精度
  10. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文通過對一種新型高性能礦用局部通風機的設計、製造及試全過程的綜述,展現了新的先進設計體系在民用通風機上的成功運用,其研製特點是: ( 1 )在葉片氣動設計中為了降低葉根及葉尖區二次流損失,採用可控渦扭向規律設計,樣機實的高性能證了這種方法的可行性和高效性; ( 2 )在設計方法中採用較精確的數值反算,獲取最優設計方案,大大提高設計的準確性和成功率,並縮短了設計試制期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  11. Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文摘:文通過對一種新型高性能礦用局部通風機的設計、製造及試全過程的綜述,展現了新的先進設計體系在民用通風機上的成功運用,其研製特點是: ( 1 )在葉片氣動設計中為了降低葉根及葉尖區二次流損失,採用可控渦扭向規律設計,樣機實的高性能證了這種方法的可行性和高效性; ( 2 )在設計方法中採用較精確的數值反算,獲取最優設計方案,大大提高設計的準確性和成功率,並縮短了設計試制期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  12. This makes the process of design for geological survey and mining less dependence on user ' s specialty and experience, and makes design result better in quality, faster in speed. all of these embody the great priority of the cad system of 3d geology and survey even more

    論文軟體系統的應用,將使地采設計過程對設計者專業知識和經的依賴性更,系統設計質量更高,設計期更短,更能體現3d地cad的強大功效。
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