obtained mean 中文意思是什麼

obtained mean 解釋
實得平均數
  • obtained : 獲得
  • mean : vt 1 意,有…的意思,意思是…。2 意指,用…意思說;意味著,就是。3 (用語言、繪畫等)表示意思,表示...
  1. Having combined external ballistics with gunnery and proceeded from the practical needs of the field artillery, the influence to the firing accuracy by artillery metro report and the improved measures have been studied and analyzed in this essay, thus having obtained a series of valuable and pragmatic conclusions which mean a lot in practical application

    論文結合外彈道學理論和炮兵射擊學理論,從地面炮兵的實際需要出發,具體研究了地面炮兵氣象通報對射擊精度的影響及改進措施,提出了建立我軍地面炮兵專用層權及通用層權的方法及改進計算機通報的措施,得出了一系列具有一定實用價值與相當指導意義的結論。
  2. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流場結果表明,混合層中的流場是由慣性波動與時間平均流兩部分疊加而成,且通過時間平均消去慣性波動后得到平均流,其不同深度的流速矢量構成一ekman螺旋,表層流速矢量相對風向右偏了30 . 3 』 。
  3. Focused on the asymptotic behaviour of mediant for fourth order lagrange ' s mean value theorem and obtained the main results as followed ( the equation is abbreviated )

    摘要對四階拉格朗日中值定理中間點的漸近性質進行了研究,得到的主要結果是(方程式略) 。
  4. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線信號傳輸半徑的關系等,得出了其解析描述。
  5. Conclusion r1 represent pixel - value of original image range block, r represent mean - value of original image range block, d represent mean - value of original image domain block, d1 represent pixel - value of resumptive image domain block, d represent mean - value of resumptive image domain block. superior perfermance of resumptive image range block is obtained as compared to conventional creative function by one iteration, that is,

    ) , d _ i ( i = 1 , 2 , … , n )分別為某一恢復圖像定義域塊的均值和每一像素的像素值,我們用傳統的和改進的生成函數分別進行一次迭代,則用改進的生成函數進行迭代的恢復圖像每一值域塊的效果較好,即:
  6. In the tsushima strait, the annual mean flux was 2. 3sv and its monthly variation just was only 0. 4sv. the thermockne structure and its variation affected the circulation system in the ecs. the weekly and monthly mean sea surface temperatures ( sst ) in the ecs were obtained by analysis and calibration of sst data from satellites during 1990 - 1999

    通過獲取、分析和校正1990 - 1999年間逐周的衛星遙感海表溫度資料,並通過最優插值技術獲得東中國海18x18km周平均和月平均海面溫度場,論文還系統分析了東中國海月平均海表溫度場的分佈特徵。
  7. At the mean time, algor, a famous fea program, is used to verify the results obtained by the program compiled. the results are proved to be correct

    同時,學習了大型有限元程序algor ,用它分析了前述研究的箱梁,並把結果與自編程序計算的結果進行了比較,表明編制的程序計算的結果是正確的。
  8. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數
  9. The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by

    分析了周期膜片加載共焦橢圓波導,在考慮空間諧波和不考慮空間諧波兩種情況下的慢波特性。應用場匹配方法得到這種結構的色散方程和平均耦合阻抗。
  10. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根,採用線性疊加法及有限元法反演,給出設計風速下塔底控制截面的順風向靜風及抖振內力。
  11. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究,表明除正常幼苗百分率外,其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關,因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展,指明通過遺傳育種手段改良這些性狀是可能的
  12. Secondly, it was. made theoretical analyses about the optimal training sequence design by the maximum likelihood estimation method and obtained the corresponding results, which were compared with the separate results derived by the minimum mean square error ( mmse ) estimation method in the other literature. at last, it was analyzed the impac

    其次進行了採用最大似然( ml )估計法的最佳訓練序列設計的理論分析,分別得到了有關結果,並和其他文獻中採用最小均方誤差( mmse )估計法的設計結果進行了分析比較,得到了有關結論。
  13. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原理,即相關聯的隨機方程動態地處于同一概率水準,採用模糊隨機加權線性回歸方法對試驗數據進行擬合,得到了三參數的應力-壽命模型均值和均方差曲線,從而求得在給定應力下各可靠度的疲勞壽命。
  14. Abstract : by using the correlation analysis of cotton climatic output and temperature elements of different temperature types and different length periods of time in akesu cotton region, the results obtained indicate ( 1 ) using daily temperature elements of different length periods of time correlated with cotton climatic output is more useful, more reasonable and more easily in founding out optimum temperature elements with biological significance than using ten - days temperature elements ; ( 2 ) in three temperature elements of mean temperature, maximum temperature and minimum temperature, the effect of maximum temperature on cotton climatic output is the greatest, mean temperature is greater, and minimum temperature is the least ; ( 3 ) the low temperature in later spring and summer have some limiting effects on forming cotton climatic output in akesu cotton region

    文摘:通過對阿克蘇棉區棉花氣候產量與不同長度時段、不同類型溫度要素的相關分析,結果表明: ( 1 )採用不同長度時段的日溫度要素與棉花氣候產量進行相關分析,比採用旬溫度要素的工作更細致,更合理,更易找出對棉花氣候產量影響較大的有生物學意義的較佳時段和溫度要素; ( 2 )在平均溫度、最高溫度及最低溫度3個溫度要素中,以最高溫度對棉花氣候產量的影響最大,其次是平均溫度,最低溫度最小; ( 3 )春末及夏季的低溫對阿克蘇棉區的棉花氣候產量形成具有一定的制約作用。
  15. And the results obtained are summarized as follows : ( 1 ) the mean cpue of yearly total landings of the double - trap net has been increasing more than three times while compared with that of the single - trap net

    其中,尤以底棲性的紅甘? 、浪人? 、雙帶? 、白?及?魚,與洄遊性的鮪、 ? 、旗魚、塞氏? 、細文鰩魚及鬼頭刀等的增產,明顯地受網型改變之影響。
  16. Axial load composed of five main kinds of vehicles was gained by eye - observing, and then the mean exchange coefficients of each kind of vehicles and equivalent standard axle load were obtained

    利用目測法得到各類車輛軸載組成,通過分析得到各類車輛平均軸載換算系數,然後求得標準軸載作用次數,採用空間換時間方法,最後建立了四個地區不同交通量等級下的路面使用性能預測方程。
  17. Objective through measure telomere length ( mean length of telomere restriction fragment, trf ) of dermal and intramuscular, and study it ' s length correlating with the different human " s age. the trf was examined by southern blotting. the formula to age estimating was obtained by regression analysis between the trf and the age

    目的應用southern雜交技術,對皮膚、肌肉端粒dna片斷長度( meanlengthoftelomererestrictionfragment ,簡稱: trf )進行觀察,測定不同年齡段人群的端粒dna片斷長度值,以期初步探明不同年齡段人群的端粒dna片斷長度的變化規律,繪制出端粒dna片斷長度值隨年齡變化的標準曲線,比較性別、籍貫對端粒dna片斷長度的影響,以期為法醫實踐工作中對無名屍體年齡推斷提供理論依據。
  18. For the first time the complex separated flow in the aft - end zone was measured using pdpa technology. the whole mean and fluctuating flow field were obtained

    利用pdpa測速技術首次對燃燒室尾部的復雜分離流動進行了測量,獲得了完整的時均速度和湍流脈動定量數據。
  19. The obtained results indicate that the concentrations of reactants in the catalyst layers in front of t he current collectors are very low, that reduce the utility of catalyst ; the current density at the edges of the channels is many times greater than the mean current density

    計算了電池內反應物濃度的分佈、電流密度分佈、甲醇竄流以及電壓-電流特性曲線等。結果表明:集流板前的催化層內反應物濃度非常低;流道邊緣附近電流密度比平均電流密度大許多倍。
  20. The result shows that the obtained mean ( 3. 71 ) is statistically greater than the expected mean ( 3. 50 ). the principal was evaluated higher than the expected

    統計分析結果顯示,實得的平均數( 3 . 71 )的確高於預期的平均數( 3 . 50 ) 。校長所得評估的確比預期的高。
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