抽樣區間 的英文怎麼說

中文拼音 [chōuyàngqūjiān]
抽樣區間 英文
sampling interval
  • 抽 : 動詞1 （把夾在中間的東西拉出; 提取） take out （from in between） 2 （從全部里取出一部分; 騰出） ...
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 區 : 區名詞（姓氏） a surname
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  1. One - sided control charts with variable sampling intervals

    可變抽樣區間的單邊控制圖
  2. 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。
  3. The overproof rate are 27. 5 % - 43. 3 % in 1 - 3 months and 8. 9 % - 18. 0 % in 6 month after decoration

    抽樣調查監測本市某區114間公共場所及家居室內空氣中甲醛含量。
  4. By using questionnaire, i investigated 950 students, from grade 5 of primary schools to grade 3 of middle schools, of 8 schools located in changsha city and in lengshuitan district, yongzhou city. lots of materials in this paper were collected by group meeting and individual conversation, including many aspects of their outside reading : the interests and the motives, the time and, the content, the habits and the methods, the efficacy and the guidance, etc. a thorough, detailed analysis. and research of the present situation of outside reading of students was conducted in the current free educational period

    本文採用問卷調查法，以長沙市和永州市冷水灘區八所學校的小學五年級到初中三年級共950名學生為對象抽樣調查，並輔以座談和個人談話法收集了大量的資料，從課外閱讀的興趣與動機、時間與內容、習慣與方式、效能與指導等方面對當前義務教育階段的學生課外閱讀現狀進行了較全面、具體的分析與研究。
  5. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題，本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀；其次對整個吊車梁系統的外觀情況（包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等）進行了現場調查，抽樣實測了梁的應力、化學成分、變形及軌道偏移等，根據實測結果，對吊車梁系統的承載能力進行了驗算；然後，根據現場調查及計算結果，探討了焊接鋼吊車樑上部區域疲勞破壞的機理，分析了重級工作制鋼吊車梁出現疲勞裂縫的原因，制定了初軋廠精整車間破損鋼吊車梁的加固方案；最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  6. When the family of distributions satisfy some conditions, the confidence intervals of prescribed width and prescribed coverage probability could be obtained by two - stage procedures

    當分佈族滿足一定條件時，用兩步抽樣即可獲得具有預先給定長度與覆蓋概率的置信區間。
  7. Step up the frequency of taking water sample from the swimming pool from at least twice a day to every hour and consider closing the swimming pool temporarily when community infection rate is high

    社區感染率高的期間，應增加抽取泳池水樣本化驗的次數，從最少每天兩次到每小時一次，或考慮暫時關閉泳池。
  8. The amount of nb3si / nb5si3 increases, their morphology tends to be more regular, their distribution becomes more homogeneously with the increasing of withdrawing rate. the microstructure is better oriented along the longitudinal axis of the samples when the withdrawing rate is between 0. 6 and 6. 0mm / min. at the same withdrawing rate, the microstructure changes from the beginning part to the ending part of the samples

    鈮?硅基rmics材料原始鑄態組織由初生nb基固溶體和在其間分佈的nb基固溶體+硅化鈮共晶團組成；隨著抽拉速率的增大，定向凝固共晶組織中硅化鈮強化相細化、數量增多、分佈趨于規則和均勻，定向效果顯著；在相同抽拉速率條件下，區熔試樣的組織從起始段到終止段發生了改變。
  9. 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。
  10. This second investigation according to the principle that samples randomly, distributing considering nation and area, with uniform method and standard, same time registers population to 15 years old of above 1062011 people undertake investigating, actual and respondent population 950356 people, respondent rate 89. 49 %, through uniting an input personal computer is analysed, the result makes clear, rate of countrywide hypertensive sicken was 1991 11. 44 %, among them diagnose hypertension is 4. 13 %, critical hypertension 7. 31 %, as comparative as census of before two whole nations, hypertensive sicken rate shows ascendant trend in our country, the person that reckon completely state - owned hypertensive patient needs treatment is person of 9 ten million

    本次調查按照隨機抽樣的原則，並考慮到民族和地區分佈，以統一的方法和標準，同一時間對15歲以上注冊人口1062011人進行調查，實際應答人口950356人，應答率89 . 49 % ，經過統一輸入微機分析，結果表明， 1991年全國高血壓患病率為11 . 44 % ，其中確診高血壓為4 . 13 % ，臨界高血壓7 . 31 % ，與前兩次全國普查對比，高血壓患病率在我國呈上升趨勢，估計全國有高血壓病人須治療者為9千萬人。
  11. In this paper, i study above two issues and gain some results as follows : 1. under population follow normal distribution hypothesis, designing combine median - range adaptive control charts with variable sampling interval, variable sample size and variable control limit. it may be regarded as previously median - range extension

    在假設總體服從正態分佈的條件下，設計了抽樣區間，樣本容量和控制限都變化的全變化參數的中位值-極差聯合控制圖。它是以前的中位值-極差聯合動態控制圖的推廣。
  12. 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。
  13. In order to get the knowledge about public payment awareness of forest environmental services ( fes ), this paper analyze about 600 questionnaires with spss, and the result is showed as the following : ( 1 ) publics have different payment awareness to forest environmental services : the maximum is eco - tourism, then the watershed services, the minimum are biodiversity service and carbon sequestration ; ( 2 ) family income, perception of fes benefits and the moral responsibility effect participants ' payment awareness effect participants ' willingness to pay ( wtp ) directly and strongly ; ( 3 ) the recognition of fes, attitude to fes payment and fes impact range effect indirectly

    摘要採用分層等距抽樣技術，並利用spss軟體對在長三角地區發放的旨在調查公眾對森林環境服務付費意識的600份問卷（其中有效問卷551份）進行統計后獲知： （ 1 ）公眾對森林生態旅遊服務收費的認可程度最高，其次是水文服務，而對生物多樣性和固碳服務的支付意願最低； （ 2 ）直接影響公眾付費意識高低的因素包括：家庭收入、公眾對自己從森林環境服務中受益程度的認識、公眾對森林環境服務所具有的道德責任感等； （ 3 ）公眾對森林環境服務重要性的認識、對森林環境服務收費的態度、森林環境服務的作用范圍則間接地影響了其支付意願的大小。
  14. In order to make up the capm model, a test of the conditional capm using the garch - m framework is conducted and existing research is extended by investigating the effect of intervals by conducting tests over different sampling frequencies. not only the garch - m model but also the conditional capm are supported for daily and weekly return intervals while greater support for the model is found in the daily return intervals

    針對capm模型的不足之處，進一步應用garch - m框架下的ccapm模型進行實證研究，並通過日收益率和周收益率數據研究不同的抽樣區間對模型驗證的影響，得出滬市日收益率數據和周收益率數據都支持garch - m模型和ccapm模型，尤以日收益率數據顯著支持的結論。
  15. Using a multi - stage cluster sampling design, each of the three cities selected 21 secondary schools with a probability proportional to size to participate in the study

    運用多階段集群抽樣方法，各參與城市的所有普通中學，按學校學生人數比例作為學校抽樣機率，每地區抽出21間學校。
  16. Shengzhou tie industry, haining leather industry and yongkang metal industry ~ the three typical industries with different history are selected for our research purpose from zhejiang province, the comparatively more developed area in china. the job included interviews of 20 typical enterprises and 431 cluster growth - influencing - factors related surveys of smes. the government policies and regulations supporting smes cluster growth development have also been collected

    本論文在中小企業經濟較為發達的浙江省選取了三個起步時間不同的典型產業，即嵊州領帶、海寧皮革和永康五金產業，通過抽樣調查方法對三個典型產業的20家典型中小企業進行了實地訪談，完成了三個產業的中小企業集群化成長影響因素的431份有效問卷，收集了地方政府支持中小企業集群化成長的相關政策措施，得到了我國區域產業集群的形成與中小企業成長方面系統性較好的第一手資料。
  17. Here, two topics : two - stage and pure sequential procedures are probed into. from finite to pure sequential steps, the two enrich sequential interval estimates by different means

    本文探討2個主題：兩步抽樣與純序貫抽樣，從有限步到純序貫，這2個主題運用不同的手段豐富了序貫區間估計的研究內容。
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