長變數 的英文怎麼說

中文拼音 [zhǎngbiànshǔ]
長變數 英文
long varchar
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. The autogeny target neutron and pipeline neutron are monitored with associated particle method and long counter through changing different target foil. the effect of the autogeny target neutron is over ten times than that of the pipeline neutron

    對加速器d - t中子源自生靶中子和管道中子，通過改變不同靶片，用伴隨粒子法和長計數器進行測量，評估了自生靶中子和管道中子的影響。
  2. Field germination, nodulation status and growth parameters were varied significantly in the soil amended with sludges in comparison to control

    與對照幼苗相比，混合污泥的土壤中生長的幼苗田間發芽、分枝狀況及其他生長參數均發生了顯著變化。
  3. By introducing proper stretchy variable and constructing boundary layer function, it concludes n - order approximate solution, and using theory of differential inequality, uniformly validity of asymptotic expansion is proved

    通過引進適當的伸長變量，構造邊界層函數，得到了解的n階近似值，並利用微分不等式理論證明了解的漸近展開式的一致有效性。
  4. In the face of these uncertainties, cts - 3 has adopted a range of assumptions for the major causal variables documented earlier in this report

    由於面對各種不明朗因素，本研究為上文所述的主要變數，假設了一連串的增長方案。
  5. Using cephalometric analysis on a total of 120 taiwanese females, aged 12 to 15 years, the present study obtained cross - sectional growth data and clinical references concerning the size and shape of the nose

    本研究以側面測顱分析法從大小、形狀與方位三者完整地分析國人12至15歲女性的鼻部側面形態，而獲得臨床參考數據、生長變化、及不同種族間的差異等結果。
  6. Combination of additive effects and interaction effects can account for over 50 % of genotypic variation in spikelet number per spike ( sns ) and spike number per 50cm row ( snr ), and over 40 % in fertile spikelet number per spike ( fsns ), 1000 grain weight ( kgw ) and ear length ( el ), over 30 % in plant height ( ph ), over 20 % in sterile spikelet number per spike ( ssns ) and less than 10 % in grain weight per 50cm row ( gwr ) and grain number per spike ( gns )

    加性效應和互作效應聯合起來，可以解釋群體總小穗數和50cm行長穗數變異的50以上，結實小穗數、千粒重和穗長變異的40以上，株高的30以上，不孕小穗數的20以上，而只能解釋50cm行長粒重和穗粒數變異的10以下。
  7. This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily

    該振蕩波有下述特徵： （ 1 ）振蕩周期較長，多數在30 ? 120s范圍，故稱慢波振蕩； （ 2 ）振蕩幅度較大，其isi振蕩最小值在zms左右，最大值可達40ms ，表明放電頻率可在幾十到幾百k范圍內變動； （ 3 ）在isi連續變化過程中往往出現突然轉折，暫稱其為拐點。
  8. We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses

    給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。
  9. In studying the dependence of one variable on one or more other variables, regression analysis often involves tedious and lengthy calculations.

    研究某個變數對另一個或多個其他變數的依賴關系時，回歸分析常常要進行冗長煩瑣的計算。
  10. It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the fir filter apporaches the contrary point spread function ( psf ) more, and that the estimated image is closer to the original one

    從代價函數的梯度入手推導出共軛梯度演算法，其搜索方向保持不變而搜索步長變小，使濾波系數更加退近於點擴展函數逆運算元，從而使估計圖像與原始圖像更加接近。
  11. Also from waveform polynomials of sequential circuits, a precise clocking method based on multiple - period sensitization is presented. a novel noise estimation method based on boolean process is first presented in this paper, using transition numbers to describe noise effects. then combined with the selection method of long sensitization paths based on waveform sensitization, a test generation approach that could generate the noisiest sensitization waveforms for long sensitizatizable paths is presented

    為了適應超深亞微米電路測試的要求，本文建立了一種新的基於布爾過哈爾濱工程大學博士學位論文程論的邏輯級噪聲預測模型，用波形多項式描述的同時發生的跳變數來預測l卜足聲大小，並生成能產生最大跳變數目的輸入波形;然後同基於波形敏化的長敏化通路選擇法相結合，形成一種能產生最大噪聲效應的敏化測試波形生成新方法。
  12. Expected value of finite fission chain lengths of pulse reactors

    脈沖堆有限裂變鏈長的數學期望值分析
  13. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時，使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法，將本課題的有約束條件問題化為無約束條件問題，並提出了最優步長參數的動態搜索法來修改傳統的梯度法，從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同，進而提出了最優初始狀態下最優周期控制的新概念，這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出：對于尚不具備實現最優控制條件的處理系統，可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  14. Fibre optic communication subsystem test procedures - part 2 - 10 : digital systems - time - resolved chirp and alpha - factor measurement of laser transmitters

    纖維光學通信子系統試驗程序.第2 - 10部分:數字系統.測量激光發射器的時間分辨激光波長變化和因子
  15. Topics include : lorentz transformations, length contraction and time dilation, four vectors, lorentz invariants, relativistic energy and momentum, relativistic kinematics, doppler shift, space - time diagrams, relativity paradoxes, and some concepts of general relativity

    題目包括：洛倫茲變換、長度收縮、以及時間膨脹、四種向量、洛倫茲不變數、相對論性能量與動量、相對論性運動學、多普勒位移、空間-時間圖，相對論中的佯謬、和一些廣義相對論的概念。
  16. Some factors related to the trap potential and heating rate are considered, such as the laser detuning, the changing of cavity length, laser power of trapping beam, and the linewidth of laser. 7 ) an ultra - high finesse micro - cavity is established in our lab

    6 ）對超高精細度微腔內光學偶極阱進行了數值模擬，研究了光場失諧、腔長變化、功率、以及線寬等參數對腔內偶極阱的阱深以及加熱率的影響。
  17. To compact data by combining parts of the data, for example, to transform a two - word alphabetic key into a one - word numeric key by adding the numeric equivalents of the letters

    通過將數據的某些部分進行組合來壓縮數據，例如，通過將一些字母的數字等值相加，可把兩個字長的字母鍵詞變換為一個字長的數字鍵詞。
  18. Plain integer literals that are above the largest representable plain integer ( e. g., 2147483647 when using 32 - bit arithmetic ) are accepted as if they were long integers instead. 2. 1 there is no limit for long integer literals apart from what can be stored in available memory

    普通十進制整數最大可以為2147483647 （也就是使用32位比特數字的最大值） ，普通的八進制和十六進制數可以4294967295 ，但大於2147483647的數就通過減4294967295變為負數了.長整數的大小是沒有限制的，僅僅受制於可用的內存容量
  19. In addition to assessing effects of pollution and the mitigation measures implemented, the epd s monitoring work is also carried out to gather long - term information that can enable more gradual trends to be identified and analysed

    環保署除了評估污染影響和現有消減污染措施的成效外，還監測海水水質，以?集長期數據分析和確定水質變化趨勢。環保署希望清楚掌握受監測水域的海洋環境資訊。
  20. 2. all the corresponding parameters of a. sylvestris were similar with c. smyrnioides in procreate period in april. but the parameters of root length, diameter of root, volume of root, leaf biomass, root biomass, total biomass, root mass ratio ( rmr ) and sla had the maximal value in moderate treatment in vegetative period in january

    峨參的相應生長參數在4月生殖生長期與明黨參隨土壤水分的變化趨勢相似；但在1月份的營養生長期，根長、根粗、根體積、葉生物量、根生物量、總生物量、 rmr和sla均以中度水分條件最大。
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