numerical comparison 中文意思是什麼

numerical comparison 解釋
數字對比
  • numerical : adj 數字的；數值的；用數字表示的。 （a） numerical order 號數。 a numerical statement 統計。 the ...
  • comparison : n. 1. 比較，對照；類似。2. 【語法】比較法；【修辭學】比喻。
  1. Comparison of two numerical simulation methods for hard - edged diffracted beams

    兩種硬邊衍射光束計算模擬方法的比較
  2. ( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %

    （ 2 ）數值方法的可靠性通常用黎曼問題的解析解檢驗，本文以無量綱計算區長度為2 ，高壓區長度為0 . 8 ，狀態參數為p _ 1 = 2 ， p _ 2 = 1 ， _ 1 = _ 2 = 1 ， u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核，結果表明該程序的計算誤差在9以內；為考核本文計算模型預測開敞空間氣雲爆炸的適用性，以文獻[ 8 ]的實驗數據進行了校核，計算誤差在13以內。
  3. After continuous researches on macroscopic fracture theories and microscopic fracture theories, characterization parameters of the material fracture toughness have been defined, and the microscopic fracture theories applied in 3d braided cmc also have been proposed. enough numerical simulations have been conducted, and also comparison with the theories has been done

    經過對試驗的反復推敲和論證，本文從宏觀斷裂理論和細觀斷裂理論的角度，確定了三維編織c sic復合材料（三維編織cmc ）斷裂韌性的表徵參量，發展了能夠在該材料中應用的細觀斷裂理論。
  4. Besides, the information on actual height of lowest cloud base is used in constructing of cloud liquid water profile by using radiosonde profiles, that makes an improvement of relative accuracy of retrieved value of l at almost all altitudes by 5 - 20 % according to numerical simulation comparison. the lower the altitude is, the more the accuracy is improved

    為減少由於回歸樣本中雲液水廓線的『失真』給反演造成的誤差，本文在對探空廓線作診斷建立雲液水廓線時，引入了實際目測的最低雲底高的信息。數值模擬比較表明該措施行之有效，使對流層中下層的幾乎所有高度上l反演值的精度提高5 - 20 ，觀測高度越低，精度提高越多。
  5. Contemporarily, comparison between analytic solver and numerical solver shows fairly satisfactory results and practical data is used to ascertain calculation parameter by calibration and validation

    利用實測資料對模型進行了率定和驗證，確定了長江泰州江段和五里湖的模型計算參數。
  6. Based on the extended shallow water equations, numerical model is established. verifications and comparison are done to verify its validity by the flume experiment with submerged dike

    據此應用dsi法建立了相應的計算模式，利用水槽試驗進行驗證，並將該模式的計算結果與淺水方程的結果進行比較。
  7. Abstract : an integrated approach is proposed to investigate the fuzzy multi - attribute decision - making ( madm ) problems, where subjective preferences are expressed by a pairwise comparison matrix on the relative weights of attributes and objective information is expressed by a decision matrix. an eigenvector method integrated the subjective fuzzy preference matrix and objective information is proposed. two linear programming models based on subjective and objective information are introduced to assess the relative importance weights of attributes in an madm problem. the simple additive weighting method is utilized to aggregate the decision information, and then all the alternatives are ranked. finally, a numerical example is given to show the feasibility and effectiveness of the method. the result shows that it is easier than other methods of integrating subjective and objective information

    文摘:研究了結合主觀和客觀信息的模糊多屬性決策問題，其中主客觀信息分別由屬性權重的兩兩比較矩陣和決策矩陣組成.提出一種結合主觀和客觀信息的特徵向量決策方法，給出了2種求解基於主客觀特徵向量法的模糊多屬性決策方法.這種方法通過求解2個線性目標規劃模型得到最優屬性權重，然後，通過對決策信息進行簡單的加權集結，得到所有方案的排序結果.最後，通過一個算例說明了該方法的實用性和有效性.結果表明，該方法要比其他主客觀結合多屬性決策方法簡單
  8. An integrated approach is proposed to investigate the fuzzy multi - attribute decision - making ( madm ) problems, where subjective preferences are expressed by a pairwise comparison matrix on the relative weights of attributes and objective information is expressed by a decision matrix. an eigenvector method integrated the subjective fuzzy preference matrix and objective information is proposed. two linear programming models based on subjective and objective information are introduced to assess the relative importance weights of attributes in an madm problem. the simple additive weighting method is utilized to aggregate the decision information, and then all the alternatives are ranked. finally, a numerical example is given to show the feasibility and effectiveness of the method. the result shows that it is easier than other methods of integrating subjective and objective information

    研究了結合主觀和客觀信息的模糊多屬性決策問題，其中主客觀信息分別由屬性權重的兩兩比較矩陣和決策矩陣組成.提出一種結合主觀和客觀信息的特徵向量決策方法，給出了2種求解基於主客觀特徵向量法的模糊多屬性決策方法.這種方法通過求解2個線性目標規劃模型得到最優屬性權重，然後，通過對決策信息進行簡單的加權集結，得到所有方案的排序結果.最後，通過一個算例說明了該方法的實用性和有效性.結果表明，該方法要比其他主客觀結合多屬性決策方法簡單
  9. A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models. based on the comparison of different schemes, the change of the discharge and the flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, scope as well as mode was discussed, the conclusions show : ( 1 ) in a branching rocky rapids, the velocity may be reduced and flow condition can be improved by excavating one channel partly

    本文在對各種數學模型比較的基礎上，應用二維水動力數學模型研究典型石質汊流灘? ?廣西潯江鯽魚灘航道整治工程方案，通過各方案計算結果比較，分析了不同汊道的開挖及汊道內不同開挖面積、開挖范圍以及開挖方式所引起的分流比及工程區域航道水力條件的變化規律，研究結果表明： （ 1 ）對于石質汊流灘來說，在某一汊道通過局部開挖河槽，擴大過水斷面面積，可以達到降低工程段流速、改善局部水流條件的目的。
  10. In order to achieve the optimized tunneling approach, first, tunneling procedures, shift length, horizontal jet grouting length, bench length and space length between c and d part of crd method are optimized ; on the basis of these results, two kinds of tunneling schemes are calculated with three - dimensional fem and the optimized tunneling scheme is achieved. as results of the optimized scheme, the conclusion is made that the gas pipe above the tunnel of sk3 + 355 section is secure. the calculation results are verified through comparison of numerical simulation results and site - monitoring measurement data

    為得出適合本段工程的最佳施工路線，利用大型有限元通用軟體ansys對開挖順序、開挖進尺、水平旋噴長度、臺階長度及crd工法施工的c 、 d部相錯長度進行了有限元數值模擬和優化分析，並利用這些分析結果，進行了兩個施工方案的三維有限元動態施工模擬，得出了較優的施工方案，並利用施工后的地表沉降槽曲線，對sk3 + 355斷面處隧道上方的煤氣管線的安全性進行了分析，得出了利用此施工方案施工不會造成此處煤氣管線破壞的結論。
  11. Comparison and analyses of cultural custom differences on numerical words between english and chinese

    英漢數字文化習俗差異的對比分析
  12. The numerical simulations are performed in two actual targets. it is concluded that the simulations are successful by the comparison results between the experimental results and the other scholar " s results

    結合兩個實際算例對氣粒兩相流進行了數值模擬，並與實際測量值或其它學者的研究結果進行了比較，結果可信且可靠。
  13. Comparison between numerical simulation and experimental result of resin flow in rtm

    工藝樹脂流動過程數值模擬及實驗比較
  14. Comparison of numerical methods for performances of journal bearing lubricated with couple stress fluids

    應力偶流體潤滑軸承性能計算方法的比較
  15. The comparison between the experimental data with numerical simulation show that the model have a higher precision in the lateral scouring and sedimentation deformation, time interval quantity of deposition, and output sediment concentration process during sand peak at various cross section and is applied fairly good to practical engineering

    青銅峽水庫的實測資料對模型驗證結果表明：模型在水庫不同斷面橫向沖淤變形、時段淤積量、沙峰期出庫含沙量過程都具有較高的精度，能較好地運用於工程實際。
  16. For the first problem, the successive best selection method is presented based the idea of the greedy method. it is the synthesis of fission and assemble methods. some numerical comparison about them is also given

    在分組的尋優上，我們借鑒了貪婪演算法的思想，提出了逐次最優選擇演算法，它是分裂與合併演算法的綜合，大量的數值計算表明該演算法與現有的幾種方法相比更有效。
  17. Numerical comparison of fifth - order weno schemes and second - order godunov schemes

    的數值測試與定量比較
  18. A research on eye movement during numerical comparison in maths learning disabled children

    數困兒童在內源和外源注意條件下數字比較的眼動研究
  19. This article, in which a numerical comparison task paradigm was used, designed two experiments to study the characteristics and influencing factors to solve proportional reasoning problems with different comparison difficulties for 4 to 6 younger children

    文章採用「數字比較任務」 ，設計了兩個實驗研究4 6歲低齡兒童解決不同難度比例推理問題的特點及其影響因素。
  20. The two studies totally sampled 141 4 to 6 - year - old boys and girls from 4 kindergartens in chengdu and chonqqing as subjects and the results showed that : ( 1 ) the half boundaryplays a significant role in children ' s numerical comparison proportional reasoning problem solving

    兩項研究共選取成都、重慶兩地4所幼兒園的141名4 6歲男、女兒童作為被試，結果表明： （ 1 ） 1 2邊界在兒童解決數字比較類型比例推理任務中有著重要的作用。
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