sample selection 中文意思是什麼
sample selection
解釋
樣本抽選-
An activity rule is creatively brought forward for the selection of measurement locations. the sample is divided into three parts, i. e. active section, inactive section and dead section. according to this rule the corresponding method for selection is proposed
在試驗技術方面，本文創新地提出了篩選試驗測試點的活度規則，將試件分成活性區、惰性區和盲點區，並以此來指導試驗測試點的位置選擇。 -
Heckman, j. j. ( 1979 ), sample selection bias as a specification error, econometrica, 47, 153 - 161
樣本選擇偏差，一看就知道是個很重要的問題嘛，排名第五，不算虧待。 -
The advent of dna micro - array make it possible to perform gene diagnosis and gene treatment. gene selection is one of the major challenge of gene - chip technology, for gene diagnosis where only a gene subset is enough for diagnosis of diseases, for resolution of curse of dimensionality which occurs especially in dna microarray dataset where there are more than thousands of genes and only a few number of experiments ( sample )
基因晶元的出現為基因診斷和基因治療提供了很好的前提和可能性，超高維空間超小樣本的基因選擇問題是基因晶元技術的挑戰性課題之一，對于解決維數發難問題和獲得診斷基因具有重要的理論和實際意義。 -
A one - stage probability sample in which every member of the population has an equal chance of selection
一種單一步驟概率抽樣法.人口中的每一個人都有同等的被抽取的機會 -
As to the selection of neural network input node, not only is related historical load was introduced as ? the drilling sample, but also influence of temperature and weather sensitive factors to the load variance is considered. 4
在神經網路輸入節摘要點的選擇方面，除了引入相關歷史負荷作訓練樣本外，還考慮了溫度、氣候敏感因素和特徵日對負荷變化的影響，提高了負荷預測的精度。 -
Results show that pcr primer selection also plays decisive role in the methodology. two primer pairs considered universal to domain bacteria in previous reports did not work on our field sample
Dna提取和pcr的空白試驗表明，本方法容易受到污染的影響，對實驗材料和無菌操作的要求必須嚴格。 -
With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability
在渠道縱橫斷面優化方面，本文在利用已經比較成熟的縱橫斷面優化理論的基礎上，提出以工程總費用最小為目標函數，以渠道縱坡i為控制變量，以渠道不沖不淤流速及灌區允許地面比降為約束條件，通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外，針對部分地區的取土困難的狀況，本文採用積分法計算渠道工程土方量，從而大大提高了土方量的估算精度，有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理，最後應用本系統對泰州市翟家村機電灌區進行規劃設計，運行結果證明其操作比較簡便，界面友好，運行速度快，規劃成果合理，基本達到了系統預定的要求，具備較強的實用性。 -
Figure 9 shows sample html code to create the language - selection box
圖9顯示了創建語言選擇框的樣本html代碼。 -
A kind of sample in which every member of the population does not have a known probability of selection into the sample
一種抽樣方法.即人口中的每個個體被選為樣本的概率不同.見方便抽樣，有目的抽樣，和定額抽樣 -
Method of sample logs sawing and test specimens selection for physical and mechanical tests of wood
木材物理力學試材鋸解及試樣截取方法 -
As for ntehs, the notification letters will be delivered by hand to the sampled houses when the enumerators first visit the relevant village for sample selection purpose
至於新界豁免管制屋宇方面，統計員會在首輪到訪有關鄉村作屋宇抽選后，親自放下通知書到被選中的屋宇。 -
Standard guide for sample selection of debris waste from a building renovation or lead abatement project for toxicity characteristic leaching procedure testing for leachable lead
可浸出鉛的毒性浸出過程試驗用的來自於建築改建或除鉛工程中碎料廢物樣品選擇的標準指南 -
The paper firstly combined the aerodynamic model, pollutant model, traffic model and the optimal operating fans selection model and then established the sample data gaining program to produce the optimal sample data ; secondly, the multi - layer forward neural network and the fuzzy control is combined within an equivalent structure, after the learning of sample data, the neural - fuzzy control system for the road tunnel longitudinal ventilation is produced ; thirdly, the optimal operating fans selection model is replaced by the fuzzy control model to make the tunnel ventilation simulation program, and then the control results under different traffic flow circumstances are evaluated in the matlab environment ; finally, the adaptive ability of the neural - fuzzy control system is discussed
本文首先結合空氣動力學模型、污染模型、交通模型和最優風機開啟臺數選擇模型建立樣本數據獲取程序，利用該程序產生不同交通流下的最優樣本數據；然後，將多層前向神經網路與模糊控制進行結構等價型融合，通過學習最優樣本數據，建立公路隧道縱向通風神經模糊控制系統；之後，用此模糊控制模型替代最優風機開啟臺數選擇模型建立基於模糊控制的隧道通風模擬程序，在matlab下模擬模擬不同交通流下的隧道通風以測評控制效果；最後，對神經模糊控制系統的適應性進行了討論。 -
Based on the difference of sandy land types on the spatial constructions, geostatistical texture was used to monitor desertification, and the discrimination degree of sample selection could be increased by using variogram texture to increase the difference of different kinds of sandy land
基於不同沙地類型在地表空間結構上的差異，提出將基於地質統計學的影像紋理應用到荒漠化監測中，通過變異函數紋理來加大各種不同類別沙地間的區別，提高樣本選擇的分離度。 -
Online algorithm and amortized analysis techniques are used to analyze the web page, and we establish sample selection rules to choose the hyperlink, and then the learned hyperlink mode is expressed in the form of regular expression, at last, we see whether the hyperlink mode matches all the hyperlinks to obtain the efficient hyperlink
首先利用在線演算法與平攤分析對鏈接頁面分析，其次制定了樣本選擇規范對鏈接樣本進行選取，而後將學習到的鏈接模式表示為正則表達式，最終將鏈接模式與頁面所有鏈接進行匹配，獲得主題鏈接。 -
Procedure b : sample selection
程序b :選出合適受訪者 -
The proposed sample selection model is tested on uci dataset, which proves the efficiency of the model
利用uci標準數據集對本文所提出的樣本選擇模型進行測試，實驗結果證明了該模型的有效性。 -
4. based on uniform design and the cluster theory, a optimum selecting method of sample is proposed to solve the problem of sample selection
結合均勻設計和聚類思想提出的樣本優選方法，在一定程度上解決了神經網路樣本選擇的問題。 -
2. the sample selection model based on improved genetic algorithm is put forward, which is combined with evolutionary local selection algorithm, and applied to predict potential customers
2 .提出基於改進的遺傳演算法的樣本選擇模型，把該樣本選擇模型與局部進化特徵選擇演算法相結合，並將其應用在潛在客戶預測中。 -
The frame of quarters maintained by the census & statistics department ( c & sd ) was used for sample selection. the sample was selected from records of all permanent quarters and temporary structures in hong kong in accordance with a scientifically designed sampling scheme
調查採用的樣本，是以科學抽樣法抽取自政府統計處保存的屋宇單位框，抽樣范圍涵蓋本港所有永久及臨時構築物的記錄。
分享友人