組合維數 的英文怎麼說
中文拼音 [zǔgěwéishǔ]
組合維數
英文
combinatorial dimension- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 維 : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
- 數 : 數副詞(屢次) frequently; repeatedly
- 組合 : 1 (組織成為整體) make up; compose; constitute 2 (組織起來的整體) association; combination3 [...
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In chapter three, the author adopt conventional risk indices including p, bp and full range, and such portfolios management evaluation ratios as jenson ' s alpha, treynor ratio and sharpe ratio to evaluate risk - adjusted investment performance and relevant risk indices of value stock portfolio and of glamour stock portfolio in buy - hold average returns ( bhars ) and average monthly returns ( amrs ) term
在文章的第三章,作者利用傳統的風險指標。 , ?刀,和全距以及夏普指數、特雷諾指數和詹森指數對上述持有期為一年的一維、二維等權和權重價值反轉投資策略的價值投資組合和魅力投資組合的風險和投資業績進行了計算,同樣從買入並持有收益率和組合月均收益率兩個角度入手。The hphr has more vascular bundles and a much bigger area of single vascular bundle, total vascular bundle, total phloem and total xylem in the first internode than shanyou 63
結果表明,重穗型組合的大維管束數目、單個維管束面積及維管束總面積、韌皮部總面積均明顯高於汕優63 。Management data, boston, usa, 1984, pp. 47 - 54. 3 beckmann n, kriegel h - p, schneider r, seeger b. the r - tree : an efficient and robust access method for points and rectangles. in proc
對cdt索引來說,首先高維數據點通過k平均聚類演算法得到若干類,然後分別計算該點對應的始點與質心距離,並且將這兩個距離通過線性組合得到該點的復合索引鍵值。In order to manufacture this type of worm gear drive precisely and cheaply, we should explore a whole new dis - dual generating method. as a part of the project " the modeling and simulation of planar double - enveloping toroid worm gear drive ' s intelligent manufacturing method ", this dissertation focuses on the 3d modeling of planar double - enveloping toroid worm gear in computer. the author of this dissertation has completed lots of studies and researches in this field and has found some new methods for the 3d modeling of worm gear drive
本文作為「平面二次包絡環面蝸桿副智能加工的建模與模擬」研究項目的一個組成部分,主要以在計算機中對平面二包蝸桿副進行三維建模和數字化造型為目標,在嚴格推導共軛齒面的基礎上對平面二包蝸桿副齒面的組成進行了tca分析,並運用適當的數學方法對蝸桿副型面進行重構,獲得了適合於計算機表達的平面二包蝸桿副三維數字化模型。On the one hand, the author discusses markowitz ' s mean - variance portfolio selection model, single - index portfolio selection model, and simplified model of optimal portfolio selection. at the same time, based on the rules of optimal portfolio selection and other risk - metric indices, the author also discusses mean - absolute deviation model, mean - semivariance model and mean - value at risk model. on the other hand, the author discusses the asset pricing model, including the capital asset pricing model ( capm ), the multi - factor asset pricing model, and the arbitrage pricing model ( apt )
一方面,作者討論了馬科維茲的均值-方差資產組合選擇模型、單指數資產組合選擇模型、最優資產組合選擇的簡化模型,同時根據最優資產組合選擇原則和其他風險度量指標,討論了均值-絕對離差、均值-半方差和均值-風險價值資產組合選擇模型;另一方面,作者討論了資產定價模型,包括多因素資產定價模型和套利定價模型,特別是在四種因素變量的基礎上,探討多因素資產定價模型。Arrays that are 2d or greater may not be used in attribute constructor parameters ; the parameters must be cls - compliant types
二維或更多維數的數組不能用在屬性構造函數參數中,這些參數必須是符合cls的類型。Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm
最後,分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散,並在空間上採用rwg基函數,在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的時域積分方程,並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。You can also save records from a relational database into olap cube files, making it possible to combine your excel data with data sources from other databases
也可將關系數據庫中的記錄保存到olap多維數據集文件,從而使excel數據與其它數據庫數據源的組合成為可能。Copies the collection of session - state item values to a one - dimensional array, starting at the specified index in the array
將會話狀態項值的集合復制到一維數組中(從數組的指定索引處開始) 。This subject belongs to three - dimensional layout problems with behavioral constraints theoretically and concerns the knowledge of spacecraft design, mechanical engineering, computer science, mathematics, mechanics and system engineering. so it can be ascribed as the frontier fundamental and applied research of cross - discipline subject with np complexity theoretically. in term of engineering practice, this subject has extensive applications, such as layout design of spacecraft module, engineering machinery, submarine and shipping, tank, under - water suspension engineering, platform of marine drilling well, bullet train, multiple spindle box of machine tool, robot
該課題在理論上,屬帶性能約束的三維布局問題,涉及航天器設計、機械工程、計算機、數學、力學和系統工程等學科,為交叉學科前沿課題的基礎理論和應用基礎研究,具有np難度;在實踐上,具有廣泛的工程應用背景,如航天器艙、工程機械、潛艇、船舶、坦克、水下懸浮工程、海上鉆井平臺、高速列車、組合機床多軸箱、機器人等的布局方案設計問題。An olap cube data set is created with olap techniques base on the labour source dw. some complex problems are solved in some combinatorial conditions. and then, some statistics figs and tables are show
運行olap技術,在勞動力資源數據倉庫的基礎上,建立olap多維數據集,較好地解決比較復雜的組合條件下的查詢分析問題,並可生成直觀的統計圖表。By use of the 3 - d display tool, we can combinate the different results of forward modeling and inverse ( mainly include surface data, vsp data and snapshot record ), and display them in different direction, then we can compare them very efficiently
有了三維顯示工具,聲波與彈性波正反演的各類數據結果(主要包括地面數據、 vsp數據與時間快照)就能夠在三維框架上進行方便的組合顯示,這樣就能有效方便的查看和比較結果。3. the study on the parameters that affect the seepage field of unsaturated slopes based on the existent program of 3 - d saturated - unsaturated seepage, mainly including ( 1 ) the combination of different rainfall intensity, duration, and type ; ( 2 ) the essence of medium, e. g
利用已有的三維飽和-非飽和滲流程序對在降雨條件下影響非飽和邊坡滲流場的參數進行研究,主要包括: ( 1 )不同降雨強度、降雨歷時、雨型等降雨類型組合; ( 2We construct eigenfunctions from the linear combination of the b - spline functions and the truncated fourier series, and extend pseudospectral method to calculate above - threshold ionization electron spectrum of one - dimensional atom in intense laser fields. our results are also in very good agreement with those of split - operator method
本文還利用b樣條函數和傅立葉級數的線性組合構造原子未微擾的本徵函數,將偽譜方法推廣用來計算一維模型原子在強激光場中的閾上電離譜,其結果與分裂算符方法所得的結果也符合得很好。We get the estimates of the upper bounds of hausdorff and fractal dimensions for the global attractors. in section 5. 3, the cauchy problem is studied, by using the weighted function space and the interpolating inequality, the existence of the global attractors for the damped generalized coupled nonlinear wave equations in an unbounded domain is proved. in section 5. 4, the time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary conditions is studied, the existence of time periodic soluation of this problem is proved by using the convergence of approximate time periodic solution sequences
第五章,考慮了一類廣義耦合的非線性波動方程組,在第二節中討論了周期初值問題,證明了整體光滑解的存在性和唯一性,得到了整體吸引子,給出了hausdorff維數和分形維數的上界估計;在第三節中討論了cauchy問題,利用加權函數和加權空間的插值不等式,證明了無界區域上整體吸引子的存在性;在第四節中證明了時間周期解的存在性。Through a probability problem, a connection is showed between binomial distribution and negative binomial distribution and therefore a composed formula is set up, which is proved by way of probability and algebra
摘要通過一個概率問題,給出二項分佈與負二項分佈的一種聯系,從而建立一個組合公式,並由概率思維方式與代數方式給出證明。In consideration of the large feature dimensions of the wavelet moment invariants, we first choose a set of better features by combining divergence with sequential forward selection and this can be an off - line computation process
針對小波矩不變量特徵維數比較多的情況,本文採用結合離散度和順序前進法的特徵選擇方法,先離線選取一組較優特徵量。Based on a two - dimension model for the flow field in catalytic converter, the flow field and pressure loss in catalytic converter with different inlet headers are simulated
摘要利用催化轉化器流場的二維模型對多種入口管結構的催化轉化器流動分佈和壓力損失進行了數值計算,並提出一種組合型入口管。Based on the analyses of the flow and sediment characteristics and evolution trend of the river bed of the fuling reach in the yangtze river before and after the impoundment of the three gorges reservoir, the water level, velocity variation and influenced range in the fuling reach before and fifty years after the operation of the three gorges reservoir with the construction of the fuling dock and four discharge combinations are calculated by using a two - dimensional flow mathematic model
摘要在分析長江涪陵段的水沙特性和三峽水庫蓄水前後該河段河床演變趨勢的基礎上,運用二維水流數學模型,分析了4種流量組合情況下在三峽水庫運用前和運用50年,涪陵港區碼頭修建前後的水位、流速變化及其影響范圍。The data source control maintains a separate cache entry for each combination of connection, select command, select parameters, and cache settings
數據源控制項為連接、選擇命令、選擇參數和緩存設置的每個組合維護一個單獨的緩存項。分享友人