group sampling 中文意思是什麼

group sampling 解釋
分層抽樣
  • group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
  • 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。
  1. These data were collected with convenience sampling method from 75 hemolymph neoplasm patients and 75 general patients ( control group )

    以75位血液腫瘤患者為研究對象； 75位一般住院患者為對照組。
  2. A. german standard methods for the examination of water, waste water and sludge ; general information group a ; sampling of water from mineral springs and spas

    德國對水.廢水和淤泥的統一檢驗方法.總則
  3. To avoid sampling bias, they restricted their analysis to one group of animals ? the bivalve molluscs ? that fossilise well

    為了防止取樣的偏頗，他們將分析的對象限制在一類化石記錄保存完備動物? ?雙殼類軟體動物。
  4. A total of 66 subjects ( 31 subjects in the poor control group ; 35 subjects in the good control group ) were selected by purposive sampling from a medical center

    本研究以立意取樣法在某醫學中心，選取31位控制不良和35位控制良好之第2型糖尿病患為對象。
  5. Many participants arrived at the center a night early, sharing news and enjoying more time for meditation. the food sampling event coincided with the center s monthly group meditation

    不少遠道和希望得到更多打坐機會的同修們，在頭一天晚上就已聚集在小中心了，他們在暢敘各自的近況之後，徹夜沈浸在三摩地之中。
  6. In this study three scales were used to measure a sample of 802 students selected from 4 middle schools by hierarchical random group sampling, and 766 available copies of scales were adopted to collect data which was processed with spss 10. 0

    本研究採用量表測量法，以分層整群隨機抽樣法抽取樣本。從四所中學隨機抽取初中和高中14個自然班共計802人組成樣本，有效問卷766份。
  7. " the tdd invited the group to observe the sampling and testing of dredged mud but so far the group has not responded to the offer, " the spokesman said

    發言人說：綠色和平在十月二十八日要求拓展署提供工程的淤泥樣本，以進行獨立化驗。
  8. The biased information sampling in group decision making

    群體決策過程中的信息取樣偏差
  9. In a time division multiplex ( tdm ) system, a repetitive group of signals resulting from a signal sampling of all channels, including any additional signals for synchronizing and other required system information

    在時分多路復用（ tdm ）系統中，由所有通道的信號采樣中產生的重復信號組，它包括為同步要求的附加信號和其它需要的系統信息。
  10. Group 1 represents 557 respondents from random sampling. they are hong kong citizens of age 21 or above, and use internet or have a family member who had purchased or sold hk 10, 000 equivalent of foreign currencies apart from rmb in the past two years

    第一組共557位願意回應的被訪者以隨機方式選出，他們為年超過21歲，有使用網際網路的香港市民，或是在過去兩年有買賣超過價值10 ， 000港元外幣不包括人民幣的香港市民。
  11. Group 1 represents 557 respondents from random sampling. they are hong kong citizens of age 21 or above, and use internet or have a family member who had purchased or sold hk $ 10, 000 equivalent of foreign currencies ( apart from rmb ) in the past two years

    第一組共557位願意回應的被訪者以隨機方式選出，他們為年齡超過21歲，有使用網際網路的香港市民，或是在過去兩年有買賣超過價值10 ， 000港元外幣（不包括人民幣）的香港市民。
  12. The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver

    介紹了瑞雷波勘探的原理和f - k域分析法的計算過程，分析了各參數對瑞雷波相速度計算的影響，通過實驗數據分析了影響瑞雷波勘探的主要因素，就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。
  13. The present methods for testing the large - scale corpus segmentation have the following faults : a. it is difficult to exactly estimating the variance of population ; b. the sampling quantity is too large to test the corpus segmentation. to solve the given problems, we put forward the testing method based on clustering, which sorts the sample of corpus into many group by clustering them

    語料庫分詞質量的評價問題是漢語語料庫的特有問題，已有的簡單隨機抽樣的方法，當語料庫規模變大時，無法精確估計分詞質量評價中語料庫樣本的總體方差，同時，為了保證檢驗的精度，傳統抽樣方法的檢驗費用太高。
  14. Multi - stage stratified cluster sampling with proportional allocation was used to determine the study population, which was equal to approximately 0. 5 % of all students in that age group in taiwan

    本研究以結構性問卷進行資料收集，以分層集束抽樣方法，依國中、高中、高職、專科（五專的一至三年級）等類別分層，按學生人數比例，抽取總學生人數的0 . 5 %為研究樣本。
  15. A. german standard methods for the examination of water, waste water and sludge ; general information group a ; sampling of tidal waters

    德國對水.廢水和淤泥的統一檢驗方法.總則
  16. . german standard methods for the examination of water, waste water and sludge ; general information group a ; sampling of untreated water and drinking water

    德國對水.廢水和淤泥的統一檢驗方法.總則
  17. On august 15, 2004, a group of hong kong initiates arrived on the outlying island of cheung chau, which currently has no vegetarian restaurants, to hold a vegetarian food sampling. the activity was part of a soul - elevating event that also included entertainment performances, a seminar on diet therapy and a display of master s books and other publications

    8月15日這天，香港同修準備周全，浩浩蕩蕩地前赴長洲-一個沒有素食餐館的小島，展開了一場集素食品嘗節目表演食療分享書展和資料展的大型推廣活動。
  18. Survey on present status of putonghua used in gansu amp; amp; a sampling analysis of putonghua levels of the tested group

    甘肅省普通話應用現狀調查及已測試人群普通話水平抽樣分析
  19. The sampling data are displayed by 7 - segment leds that are designed in a dependent pcb, the display board has a serial interface which use less pins of mcu. it ' s a efficient way. at last the outputs by calculation and reference of fis control the capacitor - group and voltage adjuster by relay - group, the whole device is divided into three part, the first part is sampling & control board ; the second part is display leds board and the third part is supply & output board

    在電壓無功綜合控制器的設計中，考慮到mcu管腳有限且要求顯示的數據較多，使用了較多的spi介面形式的外圍晶元（如cs5460a 、 ezprom ） ，而且將數碼管顯示部分設計為串列數據傳輸模式，這樣其數據線也可以利spi介面的數據線復用，提高了mcu管腳的利用率也保證了功能的實現。
  20. Abstract : to settle the numbers of groups, the moth and features of group sampling are analysed, and its estimator is goven. then using cauchyschwartz unequility, it seeks the best apportion with finite cost

    文摘:為了確定分類抽樣的各類單位數，分析了分類抽樣的抽取方法和特點，同時給出其簡單估計，然後利用柯西-施瓦茨不等式推導出在給定調查費用情況下的最優分配
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