次平值 的英文怎麼說

中文拼音 [píngzhí]
次平值 英文
subpar
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  2. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表層中各生理群菌數的來看,反硝化細菌的數量最高,嫌氣性自生固氮菌之,再為氨化菌和硝化菌。
  3. And then, some common methods of gdm, such as the ahp method, the weighted geometric mean method ( wgmm ), the borda - kendall method, the minimum variance ( mv ) method, the clustering analytic method, the cook - seiford distance measure, cb measure, the maximum and the minimum expected values, the concordance and discordance indices, etc., are used to discuss some consensus problems of gdm, including the consistency of the complex judgment matrix in ahp, the consensus methods of the aggregation of individual preferences ; the aggregation of analytic hierarchy process methods based on similarities in decision makers " preferences, a consensus measure on multiple criteria group decision making

    接著本文採用了群體決策中常用的一些方法(如: ahp法,加權幾何均法, borda - kendall方法,最小方差法,聚類分析法, cook - seiford距離測度法, c _ b測度法,最大最小期望法,一致性非一致性指標法等)對群體決策中的幾個一致性問題進行了研究,這些問題包括: ahp中復合判斷矩陣的一致性,個體偏好序集結的一致化方法,基於決策者偏好相似性的層分析模型的集結中的一致性問題和多準則群體決策的一致性測度。
  4. The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential

    樂安油田位於東營窪陷南斜坡上,其西區發育了兩套孔店組玄武巖,根據鉆井、測井、地震資料,孔店組玄武巖具有電阻率高、聲波時差和感應電導率低、自然電位曲線直的特點,地震波呈板狀強反射;沉積期該區有有二火山活動,玄武巖面分佈比較穩定,噴發方式為「裂隙式噴溢」 ,火山口分別位於草12和草31井附近。
  5. Second, since the radius vectors r to the extreme points of the ellipse satisfy(5. 3-12)they are parallel to the two allowed d vectors.

    ,因為到橢圓極點的徑向矢量r滿足式(53-12),故這兩個徑向矢量與兩個允許的D矢量行。
  6. Analytic hierarchy process should be used to define each indices , weight, and then with the experts , evaluation and average weight method. in this way the finial mark can be got about the venture item evaluation. this will help the investor to give his finial decision

    用層分析法確定各指標的綜合權重,再通過專家打分,最後加權均,得出被評價企業創業投資項目的最終得分,其結果可用來幫助投資者做出投資決策。
  7. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效、功率因數、三相不衡、電壓短期閃變、以及20內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  8. Count represents the geometric mean of the 5 most recent sampling occasions

    除另有闡釋外,大腸桿菌數量是最近五採集的大腸桿菌幾何
  9. Abstract : based on the principle of mininmum potential and using rayleigh - ritz method, the geometric non - linear analysis of higher bridge piers was solved in this paper. the new concept of equivalent horizontal force proposed by the author may be casily to calculate the second effect, which was produced due to the vertical forces and resisted by the piers and rubber pad bearings incorporately. the simple formula in this paper are applicable to calculate by hand, understood clearly without computation of successive iteration, higher precision and graspable easily for the disigmer therefore it has the practical significance

    文摘:根據最小勢能原理,用瑞雷-里茲法解決了高橋墩的幾何非線性分析問題;其,提出了等效水力的新概念,可以方便地解決橋墩和板式橡膠支座聯合抵抗垂直力所產生的二效應問題.筆者提出適合於手算的簡便計算公式,概念明確,勿須迭代運算,精度較高,易為設計人員掌握,因此具有實用價
  10. In interglacial periods, such as at the present time, the global sea level rose to its present level and higher, and marine sediments were deposited

    間冰期內(目前也正間冰期) ,全球海面升至目前或更高水,並沉積了海洋沉澱物。
  11. The research on attenuation features of intensity in the yunnan region by using intensity isoseismals of 127 earthquakes, and the following three conclusions have been put forward : ( 1 ) average ratio values of long - axis to short - axis of innermost isoseismal in the yunnan region is larger than eastern china and smaller than western china

    摘要本文利用127地震等震線資料,對雲南地區地震烈度衰減特徵進行了研究,其結果表明: ( 1 )雲南地區地震烈度極震區等震線的長軸、短軸之比的均,高於我國東部地區而略低於西部地區的,烈度衰減方向性強。
  12. The performances indexes and curves of the model si 1126 diesel engine are obtained by simulation calculation ; the main curves for the affection of calibrate parameters on the performance of model si 1126 diesel engine are also obtained by simulation tests o the results and test data are analyzed o the major contents are as follows : a ) study on the demands of software and hardware environment of ktva on pc. kiva is originally designed for cray computer and workstation, but on pc it needs to be tested o b ) ktva code such as variables scopes of values and so on, needs revising to meet the needs of pc

    應用該軟體,對縮短內燃機的設計周期、優化性能研究、環保和節能等方面都具有極高的應用價。目前,國內同行業對kiva的運用尚處于起步階段,原因是國內所見到的kiva程序集不完整,且沒有漢化、沒有使用界面和使用說明書,軟體的運行環境要求特殊,而且復雜。本文作者通過對kiva的研究,揭示了該程序集的使用方法,恢復、完善並新增加了該程序集的功能;經過二開發,建成了完整的內燃機模擬技術臺。
  13. The median is not as highly influenced by the frequency of occurrence of a single value as is the mode, nor is it pulled by extreme values as is the mean.

    中位數既不象眾數那樣受到數出現數的影響,又不象均數那樣隨著特殊的大小而偏移。
  14. 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
  15. Further improve institution s research outputs, inclusive of high - level consultancy, patentable research output, innovative technology and products of high value - addedness

    進一步提高大學研究成果的水,包括高層的顧問服務、專利研究成果、具創意和高增的技術和產品。
  16. In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation

    本文研究廣義camassa - holm ( gch )方程的行波孤立子解及尖峰孤立子解,給出gch方程的行波孤立子解的表達式,特別的,對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算,解出了gch方程的尖峰孤立子解,並給出了此時gch方程的尖峰孤立子解的圖形,使數分析和理論相結合;對m = 3時的gch方程增加一耗散項u _ ( xx )后得到廣義耗散camassa - holm方程,並解出此方程的兩類精確行波解;本文將齊衡法應用到gch方程中,解出m = 2 、 m = 3時的gch方程的一組光滑解,同時應用此方法得到了m = 3時的gch方程的backlund變換。
  17. The result can be long distance reception of radio waves that would normally have been far beyond the radio horizon. the equations for ray tracing were given, simulating and tracing electro - magnetic wave duct propagation using spherical layered atmosphere mode, this method is very useful for analysis of radar echo distribution and confirm relation of stratification of atmosphere and ray duct propagation in the process of studying radar second product, introduce a new 3 - d interpolation method. outcome of this method can suit all kinds of density product

    在雷達二產品處理演算法中,討論了一種新的三維插,比以往在顯示每一個雷達二產品時,都作一相比,這種方法既節省了總的機時,也提高了每個產品的顯示速度,在討論這種方法后,用幾個產品的實例,說明了這種方法是可行的,並且還討論了等線的生成原理,在「雷達二產品處理臺」下,開發了visualc + +實現程序。
  18. The eni of el nino events is expressed by using differences of sea surface temperature in the area of equatorial east pacific 010s, 90180w. based on eni s definition, 25 el nino events and 26 la nina events from 1870 to 2000 are defined. and the starting and ending time of 1997 s strong el nino event is predicted six months ahead of the event by using eni s three periodical overlapping prediction method. the prediction offers great support to the accurate prediction of the flush flood occurred along nenjiang river in 1998

    使用赤道東太洋010s , 90180w海水表面溫度sst距表徵厄爾尼諾拉尼娜事件指數eni 。根據eni定義出1870 - 2000年期間25厄爾尼諾事件和26拉尼娜事件,採用eni三周期疊加預報模式提前6個月預測出1997年強厄爾尼諾事件的開始和結束時間,為較準確預測出1998年嫩江特大洪水提供了預報依據。
  19. Then a low pass filter is designed to filter high - frequency noise in data. and smooth data again by means of central interpolation algorithm ; helicopter model with multi input single output are identified respectively in ls method and ml method

    ( 2 )剔除並補正了飛行實驗數據中的野;設計了一個低通濾波器來濾除數據中的高頻噪聲;用中心插演算法對數據二滑。
  20. By using predictor puffing method, this paper calculated and analyzed the anomalies of 74 atmospheric circulation characteristics during various periods which were puffed from last january to april of this year

    摘要選擇上年1月至當年4月為預報時段,採用預報因子膨化技術,將大氣環流特徵量按月依組合成不同時段,計算出不同膨化時段的74項大氣環流特徵量距
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