sampling size 中文意思是什麼

sampling size 解釋
抽樣大小
  • sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
  • 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...
  1. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三，分析了xml結構化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別，提出了一套完整的xml結構化查詢代價估計體系sxm ，包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ，對復雜路徑表達進行查詢代價估計的雙焦點例舉法，以及對值匹配條件進行查詢代價估計的基於小波的多維直方圖方法，並能將多種查詢表達的查詢代價估計結果結合在一起，以給出一個完整的xpath查詢的代價估計。
  2. 2. a series of nanoparticles with different size can be obtained from just one reaction process based on the technology of time control and sampling in different phases as suggested by ostwald ripening theory in colloid chemistry. 3

    2 .根據奧斯瓦爾德成熟理論（ ostwaldripening ） ，採用時間控制、分段取樣方法，能夠在一次性生長過程中得到大小成系列分佈的cds納米量子點。
  3. Chromium, manganese and ferruginous manganese ores - sampling and determination of moisture content and size distribution

    鉻礦石錳礦石鐵錳礦石.取樣及水分粒度分佈的測定
  4. The thoron chamber with the size of 350mm x 250mm x 180mm was made of the perspex. five holes were drilled on the two side with the size of 2 50mm xi 80mm for thoron source input or sampling

    用有機玻璃製成（氣土）積累箱，尺寸為350mm 250mm 180mm ，在250mm 180mm的兩個側面上打了五個孔，用於充源或取樣。
  5. Objective : to provide a minimum sample size approach and a sequential sampling approach for testing whether the sporozoite rate has exceeded the critical level of malaria epidemics using the pool sampling method

    摘要目的：給出基於混合樣本的最小檢測次數法和序貫檢驗法，以檢驗子孢子陽性率是否超過導致瘧疾流行的臨界水平。
  6. Commonly, subgroup size, sampling rate, and control limit are three main parameters in designing a control schemes

    通常樣本容量、抽樣比例和控制線的選擇是設計控制圖的三個主要指標。
  7. Average production length ( apl ) is introduced as the criterion for measuring control scheme performance. a model is developed with sampling rate and maximum false alarm rate as inputs to determine the optimum subgroup size and control limits as measured by apl

    本文以平均運行長度（ apl ）為衡量控制圖有效性的標準，以抽樣比例和最大可接受錯誤報警率為輸入，通過建立模型的方法，確定最佳的樣本容量和控制線參數。
  8. 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。
  9. 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
  10. This part of work involves several key problems as follows : - 1 ) coupling technology of laser source with the optical fiber ; 2 ) the construction of the sampling device and the selection of relevant parameters ; 3 ) the technical platform for the treatment and modification of fiber / capillary annular column sensing element ; 4 ) the selection of the size or parameters, design, machining and assembly of the sensing instruments ; 5 ) the construction of the multichannel detection system, the collection and processing of the digital signals and the exploiture of relevant software ; and so on

    傳感裝置各部件尺寸或參數的選擇，設計、加工和組裝；一5多通道檢測系統的構造，數字信號的採集及軟體的開發；等等。根據我們的設想，我們研製出了基於通用和快速檢測的裸光纖模式濾光傳感裝置和基於多組分同時選擇性響應的修飾光纖模式濾光色譜傳感裝置。
  11. The resolution depends upon the size of the word used to represent the amplitude of a sampling sound and is determined by the resolution of the adc and dac

    解析度取決于表示采樣聲音振幅的字組大小，並由模數轉換器和數模轉換器的解析度所決定。
  12. A method independent of the orientation information is presented based on gray level similarity of a local area and its sub - samplings, computing the minimum size of the sampling with the grey level similarity, and eventually, the ridge frequency related the sampling size is obtained

    摘要提出了一種獨立於紋線方向信息的方法，根據指紋整體與局部在灰度的相似性，求出具有該相似性的最小局部的尺寸，從而得到相應的紋線密度。
  13. The population sampling survey, conducted by shanghai municipal statistics bureau, reveals a rapid rise in the size of the unmarried population, especially women

    上海市統計局開展的一項人口抽樣調查顯示，上海未婚人口數量正在迅速上升，尤其是未婚女性數量。
  14. Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrode coke - determination of particle size distribution of fine coke

    制鋁工業用炭素材料取樣與試驗方法.第2部分:電極用焦炭.第12節:碎焦粒度分佈測定
  15. Using calculation result from prophase sample, sampling size needed in next step can been determined and it can be expected that ultimate sample size would be a best approximation for that desired and meet the precision demanded at less cost than traditional methods

    利用前期抽取樣本的計算結果，可以規定進一步需抽取的樣本量，最終樣本量是對真正期望樣本量的一個最佳近似，它比傳統方法更能保證以最少的費用滿足預先設定的精度要求。
  16. The effects are on the probabilistic assessment of both scattering regularity and sampling size of the test s - n data. p - s - n curves are characterized by the scale and location parameters related s - n relations for the maximum value model. the materials constants of in the scale relations are given by the average s - n relations and the locations

    曲線用極大值分佈的位置與尺度參量s - n關系曲線來表徵，尺度參量s - n關系曲線可表示成均值與位置s - n曲線的函數；均值曲線的材料常數應用最小二乘法求出，位置曲線參數通過極大值分佈的似然函數解出。
  17. Two - stage sampling has only one chance of using the information provided by samples to determine the following plan. pure sequential sampling, however, could use sampling size sparingly. in addition, in some cases, pure sequential procedures have to be applied to acquire the confidence intervals which meet the demands

    兩步抽樣，只有一次機會利用樣本信息決定今後計劃，採用純序貫則可使平均抽樣次數節省，另外，在一定的分佈族中必須採用純序貫才能取得滿足要求的區間估計。
  18. Are the sampling size procedures stated in project specifications and testing contracts

    工程規格及測試合約有否說明樣本的抽查比率及方法
  19. Based on the port and waterway superintendence units, we study and screen the detailed method for the sample survey of whole industry waterway transportation volume, including selecting detailed sampling method, determining the appropriate sampling size, designing the calculation formula of all target estimators and their variance estimation

    包括選定具體的抽樣方法，確定合適的樣本量，給出需估計目標量的估計公式及估計量的精度公式，制定詳細的樣本調查規定和編制科學合理的樣本調查表等。
  20. In this dialog box you can specify the sampling method fewer or more records than the default sampling size of 5000 rows, or states per chart

    在該對話框中可以指定抽樣方法（記錄少於或多於默認抽樣大小5000行）或每個圖的狀態。
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