例句與造句

1. Using its probability statistical approach , this paper analyzes the uncertainty distribution of net pay thickness and permeability in the reservoir , researches the impart of geologic parameter uncertainty on gas well binomial productivity equation
   應(yīng)用概率統(tǒng)計法，分析了儲集層有效厚度、滲透率的不確定性分布，研究了地質(zhì)參數(shù)不確定性對氣井二項式產(chǎn)能方程的影響。
2. Conception hierarchy tree classifiers which is a statistical approach have played an important role in attribute - oriented induction . it can help us discover the characteristics of data , make them more understandable and organized in concept - oriented structure
   通過它對數(shù)據(jù)庫中的數(shù)據(jù)進行分類可以幫助我們發(fā)現(xiàn)數(shù)據(jù)的特征，以更加容易理解的方式總結(jié)數(shù)據(jù)，并且依據(jù)面向概念的結(jié)構(gòu)來組織數(shù)據(jù)。
3. Owing to the problem of causality diagram don ’ t include self - study mechanism at present and the prior knowledge of reasoning is supplied completely by field experts , some methods of learning causality diagram ’ s parameters and structure with statistical approach is presented
   針對目前因果圖不包括自學習機制、推理的先驗知識完全由領(lǐng)域?qū)＜姨峁┑膯栴},提出了利用已有數(shù)據(jù)學習因果圖結(jié)構(gòu)與參數(shù)的方法。
4. Based on the analyses of water quality monitoring data of over 120 hydrometric stations in the yangtze river system during the last 30 years , the effect of lithology and climate rainfall on major ion chemistry of the river water has been studied by means of statistical approaches such as principal component analysis and correlation analysis
   在分析長江流域120余水文站點近30年水質(zhì)監(jiān)測數(shù)據(jù)的基礎(chǔ)上，運用主成分分析相關(guān)分析等數(shù)理統(tǒng)計方法研究巖性和氣候條件降水量對長江水系河水主要離子化學的影響。
5. ( 3 ) the idea suggested in this paper of converting flood into utilizable resource 、 attempering flood by engineering means and supervising human behaviors in the flooded area . to overcome the various barriers arising from ideology 、 systems 、 technology and economy which the establishment of risk management system of flood will be confronted with , this paper also suggests a statistical approach to estimate extremum and the concept of gray - uncertainty risk in figuring flood risk and analyses the severe harmfulness of accidents of extremum risk , furthermore , supplements and perfects present quantity - analyzing method of risk loss
   3 、本文提出洪水資源化的觀念，以工程手段對洪水進行調(diào)節(jié)，以法律、行政、經(jīng)濟、教育等綜合性的手段對人類在洪泛區(qū)中的行為進行管理，是削弱洪水的危害性、減輕洪水風險的有效方式，提高的防洪安全保障需求，實行洪水風險管理是必由之路。洪水風險管理體制的建立必然面臨觀念方面、體制方面、技術(shù)方面與經(jīng)濟方面的重重障礙，并提出洪災(zāi)風險評價的極值統(tǒng)計學方法和灰色-隨機風險率的概念，建立了其表達形式與計算方法，它完善了現(xiàn)有的風險損失量化方法。
6. It's difficult to find statistical approach in a sentence. 用statistical approach造句挺難的
7. The main contents of this thesis include : ( 1 ) summarize and analysis of the theories on vibration transmission through rolling element bearings ( 2 ) based on the threshold setting and signal ’ s statistical approach , a method for solving the problems of denoise was developed ( 3 ) using sparsity and clustering , the method and hypotheses for underdetermined blind source separation was studied ( 4 ) the method based on potential function clustering was given for underdetermined blind source separation of noisy signals based on the assumption that the input distribution is sparse and the mixture procedure is linear , the attenuation matrix and the delay matrix were estimated by clustering . the approach was experimentally illustrated for the case of m = 2 . the separation of the signals from bearing test bed proved that the given methods are available and reliable
   在需求分析和研究現(xiàn)狀分析的基礎(chǔ)上,本論文針對如下內(nèi)容進行了重點研究: ( 1 )以滾動軸承為例,對旋轉(zhuǎn)機械振動信號的傳輸進行了歸納分析; ( 2 )通過設(shè)定某一門限并研究信號間的統(tǒng)計特性,研究了旋轉(zhuǎn)機械振動信號的盲源分離過程中噪聲消減策略; ( 3 )應(yīng)用稀疏信號分析和聚類分析方法,對盲源分離中欠確定問題的假設(shè)條件進行探討并對分離方法進行了分析; ( 4 )采用基于勢函數(shù)聚類分析的方法,研究了欠確定前提下含噪聲測量過程中信號盲源分離方法。
8. Thus , putting the problem of peasant ' s income under the background of social transformation , using the quantitative and statistical approach in economics and field investigation approach in demotics , this thesis studies the relation between peasant ' s income diversification and the peasant ' s class differentiation
   因此，本文把農(nóng)民收入問題置于社會轉(zhuǎn)型的背景之下加以考察，結(jié)合經(jīng)濟學數(shù)理統(tǒng)計方法和社會學田野調(diào)查方法，來研究農(nóng)民收入多元化態(tài)勢與農(nóng)民階層分化之間相互伴生、互為因果的互動關(guān)系。
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