size of sample 中文意思是什麼

size of sample 解釋
試樣尺寸
  • size : n 1 大小，尺寸規模身材。2 （鞋帽等的）尺碼，號；（紙張的）開。3 巨大，大量；相當大的分量。4 〈口...
  • of : OF ＝Old French 古法語。
  • sample : n 1 樣品，貨樣。2 標本；榜樣，實例。3 【統計】典型取樣，抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  1. Study on sample grain size of pingguo bauxite deposit

    平果鋁土礦樣品加工粒度的研究
  2. If we wish to avoid the inaccuracies caused by the size of the sample, we need to use the t distribution.

    為了避免因樣本容量大小而造成的誤差，我們必須使用T分佈。
  3. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  4. The braiding parameters include the dimensions of sample, the braiding yarn of main part, the volume proportion of each region to whole structure, the size of the braiding yam, the yarn packing factor, the fiber volume fraction, the braiding angle and the braiding pitch length

    主要的編織結構參數包括試件的外形尺寸、主體紗行數和列數，三個區域各自所佔的體積百分比、編織紗線的細度、紗線填充因子、纖維體積含量、編織角以及編織花節長度。
  5. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  6. Optimum design of sample size in two - phase sampling for stratifing

    二相分層抽樣時的樣本單位數的最優設計
  7. The dimension of sample transfer system is such that the size of sample limited.

    樣品輸送裝置要求限定樣品的分量。
  8. In a limited sample size of 75 at - bats as the yankees ' dh, matsui has 26 hits, an average of. 347

    松井偶而以指定打擊身份出賽的75個打數中，他擊出26支安打，打擊率3 . 47 。
  9. Comparison of c - scan of entire sample and the date of local point a - scan collected and processed with the metallorgaphs of sample cross section showed that the method could be used to determine the spot size of resistance spot welding

    對接頭焊點的c掃描及對局部點的a掃描信號的採集與分析，經負際焊點橫截面的金相觀察對比，可以較準確確定點焊的焊核直徑。
  10. The total sample size of this research is 31, which includes 12 ordinary university students and 19 technical college basketball players of the national collegiate class - a basketball teams

    （三）了解籃球選手與大專生在速度快速由近往遠、由遠往近之深度知覺能力是否有差異存在。
  11. Using simulation result as a substitute for data of test sampling, obtains the relation between sample size and sum of buildings, and it would be helpful to calculation of sample size

    利用模擬結果代替試驗抽樣數據，得到了樣本容量與建築總量的變化關系，為樣本容量的計算提供了幫助。
  12. The angular multiplexing technology for photorefractive grating and exposure technology in the formation of photorefractive multiple volume gratings are further discussed, by which eight photorefractive volume gratings in a linbo3 : fe crystal sample with size of 10x10x 10mm3 have been successfully recorded

    進而探討了體光柵的角度復用技術和多重體光柵寫入過程中的曝光技術，用循環曝光法在10 10 10mm ~ 3的塊狀晶體中成功地寫入了8重衍射效率相近的光折變體光柵。
  13. The purpose of this paper is to make full use of multi - source prior information about military weapon to verify index of reliability and maintainability with small sample size of locale test and non - descending of index verification results

    其目的是在現場試驗為小樣本的情況下，充分利用武器裝備的多源驗前信息，在不降低指標驗證結果可信度的前提下，對可靠性與維修性（ r & m ）指標進行驗證。
  14. The analysis of microstructure of samples showed that the grain of tio2 were very small under 700, the distance of grain became small with temperature increasing, the rate and size of pore was decreasing. the relative density of sample at 900 was 97 % and the grain size of sintered body was about 200nm. when the temperature exceeded 1100, the grain size of body grew up several times ( > 2 m )

    Tio _ 2燒結體sem顯微形貌分析表明：低溫（ 700 ）時坯體內顆粒無明顯長大，燒結體緻密度不高（ 80 ）晶粒間距隨溫度升高而變小，氣孔率也隨之降低，氣孔尺寸變小；當溫度超過900時，晶粒間連接緊密，燒結體內出現大量絮狀物質，緻密度大幅度提高，達97以上，小氣孔已聚集成大孔洞且分佈均勻，晶粒長大不明顯（ 200nm左右） ；當溫度超過1100時，燒結體緻密度有所提高，但晶粒尺寸出現異常長大，長大了十幾倍（達2 m以上） 。
  15. In chapter 1, the author first study the two - stage confidece intervals for the variance of a normal distribution, then work out the optimal sample size of the first stage by numerical computations and establish a proof for the non - existence of fixed - size sampling

    在第1章里，作者首先研究了正態總體方差的兩步置信區間，並用數值計算的方法給出了第一步的最優抽樣量，且證明了固定樣本抽樣的不存在性。
  16. There is an obviously increase on the resistivity of the composite sample doped with the increasing of the ( ni, zn ) fe2o4 content, which can be due to the following two reasons : ( 1 ) the grain size of ferrite is much larger than one of lao. ? sro smnos

    2隨著鐵氧體材料（ ni ， zn ） fe _ 2o _ 4含量的增加，復合體系的電阻率迅速增大。分析其原因，這一方面可歸結為，大量異質界面的增加使得電子通過隧穿機制在界面之間的躍遷就變得更為困難，從而導致了體系電阻的增大。
  17. Through theoretical analysis and experimental simulation, the author obtained the value of collusion coefficient under common situation or heave load, and the size of the sample window

    通過理論分析和實驗模擬，確定了在一般情況及重負載下的沖突系數的取值，以及樣本窗口值的大小。
  18. When the parameter is fixed, sometimes the coverage probability may decrease with the increase of sample size, which is abnormal phenomenon, that is to say, there exists so called " unluky point "

    當參數固定時，會出現樣本量增加反而會使覆蓋概率下降的反常現象，即存在所謂的「不幸點」問題。
  19. You can specify the exact size of the output sample, and specify a seed for the random number generator

    您可以指定輸出樣本的準確大小，並指定隨機數生成器的種子。
  20. There is a natural linear order relationship among the data of one - dimensional sample, so which can be ordered according to the size of the sample points, however, since there is no natural linear order relationship among data of multi - dimensional sample, it is impossible to gain multi - dimensional order statistics in accordance with the order of the size of sample, neither is it impossible to extend many useful methods for one - dimensional nonparametric oiatistics to those for high dimensional ones

    對於一維樣本，由於數據之間存在一種自然的線性序關系，故可按照樣本的大小排序，從而得到秩向量。但對于多維樣本，數據之間則不存在自然的線性序關系，無法按照樣本的大小排序而得到高維樣本的次序統計量並由此把一維非參數統計的許多有用的方法直接推廣到高維情形，使得對多元數據的統計分析十分麻煩。
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