缺失數據 的英文怎麼說
中文拼音 [quēshīshǔjù]
缺失數據
英文
missing data-
The missing indexes feature can be used to catch and correct indexing errors, whereas, database engine tuning advisor can be used to correct indexing errors and to tune the workload running on a server as a whole
缺失索引功能可用於捕獲並更正索引錯誤，而數據庫引擎優化顧問可用於更正索引錯誤，並從整體上優化服務器中運行的工作負荷。The prosthodontics office takes on the prosthodontical tasks for the patients with tooth missing problems. the diagnosis and treatment work require high professional skills, and the information - awaiting disposition - is in various forms and a large number, especially there being much content requiring dynamic monitor forthwith
口腔修復科擔負著牙體、牙列缺損或缺失患者的口腔修復工作，診療工作專業性強，需要處理的信息形式多、數據量大，特別是要求進行實時動態監控的內容多。The new method of losing data treatment in cashmere goat breeding
絨山羊育種過程中對缺失數據處理的新方法Based on the deletion region, the possible candidate genes of 20 stocks were searched in flybase. they mainly function as transcription factors, tran slation factor, kinase, signal molecules, and so on
根據缺失區段，在果蠅數據庫中檢索了7個品系相關的可能候選基因，它們的功能主要有轉錄因子、翻譯因子、激酶、和信號分子等。These outages must be tracked to build a record of failed service delivery. the resulting data is essential to gain compensation for failed service delivery and to help plan for service improvements
對這些中斷必須跟蹤，以建立失效的服務提供記錄，結果數據對獲得失敗的服務提供進行補償以及幫助改進服務計劃是必不可缺的。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。Filling missing values, smoothing noise data and removing inconsistent data are all adopted to gain high quality data
通過補全缺失數據、平滑噪聲數據、消除不一致數據等技術，得到高質量的數據。All packets are treated equally. there lacks of efficient queue management. congestion happens here and there between whiles, which causes the dropping of packets or the jitteriness of transport, and even pervades to collapse the network
但是「盡力而為」服務仍是目前internet中主要的一種服務類別，所有分組在網路中被同等對待，缺少有效的管理，局部的擁塞經常發生，導致網路性能下降、應用的分組丟失和數據抖動，不能保證服務質量（ qos ） 。There lacks of efficient queue management. congestion happens here and there between whiles, which causes the dropping of packets or the jitteriness of transport, and even pervades to collapse the network. with the development of internet based business and applications, quality of service ( qos ) is required and internet is expected to support the qos
但是「盡力而為」服務仍是目前internet中主要的一種服務類別，所有分組在網路中被同等對待，缺少有效的管理，局部的擁塞經常發生，導致網路性能下降、應用的分組丟失和數據抖動，不能保證服務質量（ qos ） 。Imputation adjustment method for missing data
缺失數據的插補調整The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp
對phz1754進行外切核酸酶（ exonuclease ， exo ）順序缺失，獲得單向長度漸減重疊的系列突變體，核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps ， frameplot程序分析揭示出該區域一個完整的開放閱讀框（ orf ）的存在，其大小為1656bps ， g + c含量為70 . 3 ，編碼552個氨基酸，利用blastsearch程序將orf的核苷酸序列及推導的氨基酸序列與因特網上基因及蛋白質數據庫進行綜合比較，發現無論在核苷酸水平還是在蛋白水平上，該orf均與膽固醇氧化酶表現出同源性，而且與鏈黴菌膽固醇氧化酶同源性最高，說明該orf編碼膽固醇氧化酶基因。Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes
本文所做的主要工作包括以下幾個內容：一、選取了常見的熱膨脹系數大的材料製作封裝元件，經過多次一80到80反復測試，封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷，封裝材料具有良好的溫敏穩定性及復用性，與光纖相容性較好；二、對光纖光柵進行簡單、實用的封裝處理，就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗，得出了初步的結論；三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比，從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析，在大量實驗數據分析結果的基礎上，總結出哪種材料封裝效果更好，以及如何有效的減小實驗誤差。The paper analyzes the drawbacks of these traditional methods, discusses the application of generalized linear models in non - life insurance pricing, and points out some problems to be considered when applying generalized linear models
本文簡要分析了這些傳統定價方法存在的缺陷，介紹了非壽險精算中典型的廣義線性模型，並通過汽車第三者責任保險的損失數據說明了廣義線性模型在非壽險產品定價中的具體應用，以及應用廣義線性模型時應該注意的幾個問題。Aiming at the shortage of material information, tolerance information, technical information, and so on in the model, the author conducted a research on a step based and feature oriented method to integrate the information in the model. the models for several common features were created. they are hole feature, planar face feature, outer - round feature, planar pocket feature, revolved groove feature, circular pattern feature, and rectangular pattern feature
針對現有數據模型在材料、公差以及工藝信息等方面的缺失，研究了在基於step的面向特徵的產品數據模型中集成這些信息的方法，建立了一些常見特徵，如孔類、平面、外圓、平面槽及旋轉槽、圓周陣列、矩形陣列等特徵的信息模型，並用express語言來表達，該模型不僅包含幾何拓撲信息，而且增加了公差、工藝路線、裝夾定位、加工方法、及材料等信息。Estimation and test for two special exponential populations with partially missing data
部分缺失數據兩個特殊指數總體的估計和檢驗Asymptotic property of estimated with locally linear regression from missing data at random
缺失數據下局部線性回歸估計的漸近性質The present paper deals with the asymptotic properties of estimation and likelihood ratio test for - two exponential populations with partially missing data
摘要討論部分缺失數據兩指數總體的參數估計和關于總體相同的似然比檢驗。( 2 ) the point estimation and interval estimation of parameters under type - censored case and the point estimation of parameters based on the missing data and grouped data are obtained, respectively
（ 2 ）定時截尾場合下參數的點估計和區間估計以及缺失數據和分組型數據埸合下參數的點估計。In this paper, a missing data rotative reconstruction algorithms based on rough theory is proposed, and the complexity of the algorithms is analyzed, finally a missing data reconstruction experiment with a typical dataset is conducted
摘要提出了一種基於粗糙集理論的缺失數據循環搜索重建演算法，分析了演算法的復雜性，並選擇一個典型數據集進行了缺失數據重建的實驗。5. data preparation is essential procedure before data mining, and the thesis presents two algorithms for the filling of missing values and the finding of duplicates, two of data problems in data preparation. at first, the thesis uses of rough analysis to predict the missing values with known values to solve the problem of missing values, and the results are with higher accuracy ; then the thesis uses partition data table and quick sort method to find duplicates, which can decrease the searching time for finding
數據預處理是數據挖掘之前的必要準備步驟，針對數據預處理問題中的缺失數據與重復數據的挖掘問題提出兩種演算法，首先針對缺失數據問題，浙江大學博士學位論文利用rough集理論通過對己知數據進行預測實現對缺失數據的填補，達到了一定的預測精度;然後針對重復數據問題，利用數據表分解技術以及快速排序方法實現重復數據的發現，並降低了重復數據的發現時間。分享友人