條件數學期望 的英文怎麼說

中文拼音 [tiáojiànshǔxuéqīwàng]
條件數學期望 英文
conditional mathematical expectation
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 望 : Ⅰ動詞1 （向遠處看） look over; gaze into the distance; look far into the distance 2 （探望） visi...
  • 條件 : 1. （客觀的因素） condition; term; factor 2. （提出的要求） requirement; prerequisite; qualification
  • 數學 : mathematics
  • 期望 : 1. （抱有希望的想法） hope; expectation 2. （希望; 期待） hope; expect; wish
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. The slope geometry is variable quantities, and the reliable safety and reliability are main limiting factors. according to the above factors, a optimized model for designing high loess slope is established. this model ' s concept is precise, and its physical meaning is confirm, people who do designing work can see this model as a means

    最後，為了使邊坡設計獲得最佳工程效果，本文在崔政權建立的優化公式： c = a + pf ? b的基礎上，全面考慮施工造價和風險造價，運用數學原理和優化理論，用費用?效益分析方法，以最小總期望造價為目標函數；以坡型、坡比為設計變量，以安全可靠為主要約束條件，建立了黃土高邊坡的優化模型。
  3. The obtained results in the paper are as follows : ( 1 ) the expansion of fourier series of orthogonal trigonometric polynomial for conditional mathematical expectation and function of random variable ; ( 2 ) the best approximation of trigonometric polynomial about another random variable for function of a random variable ; ( 3 ) the best approximation order of trigonometric polynomial for function of random variable

    摘要獲得了如下結果： （ 1 ）條件數學期望及隨機變量函數的三角多項式級數表達； （ 2 ）一個隨機變量關于另一個隨機變量的三角多項式的最佳逼近； （ 3 ）隨機變量函數被隨機變量三角多項式最佳逼近的階。
  4. The main features of informal communities at junior high school at rural district are : ( 1 ) forming reason, not only space distance, ability attraction, interests, personalities which are found in the early researches, but also economic condition of the families, living environment ( counties and country sides ), original foundation of relationships ; ( 2 ) the qualities students choose when they look for their partners are positive, healthy, and are basically consistent with their parents " expectations ; ( 3 ) contents of activities, not only study, chat, travel and play, interesting actions, but also doing some rural work to help adults ; ( 4 ) nature, most of the communities " behaviors seldom break disciplines and laws and they seldom have leaders who have obvious position and influence ; ( 5 ) we can consider the students informal communities which are based on interests and hobbies as advantageous condition in the management of class, it ' s difficult to manage the students communities which are drafted apart from class

    2 、貧困地區農村初中學生非正式群體的主要特點是： （ 1 ）形成原因上，除以往研究中發現的空間距離、能力吸引、興趣、性格以外，還包括家庭經濟條件、生活環境（鄉鎮和山村） 、原來關系基礎等因素； （ 2 ）學生選擇夥伴時所趨同的品質都是積極上進的、健康的，並基本與家長的期望相一致； （ 3 ）在活動內容方面，除一起學習、閑聊、遊玩、興趣活動以外，還有幫助大人干農活； （ 4 ）大多數學生群體較少有違紀或違法行為，群體中具備明顯地位和影響力的自然頭領較少； （ 5 ）以興趣愛好為基礎結成的學生非正式群體在班級管理中可作為有利條件，與班級關系疏遠的學生非正式群體是班級管理中的難題。
  5. Conditional mathematical expectation

    條件數學期望
  6. 2. a characterization of the minimal polynomials generated a sequence with given minimal period is proved, the distribution of the linear complexity of periodic sequences is shown, and a new solving process of mathematical expectation and variance of linear complexity of periodic sequences is presented. randomness of minimal periodic sequences is discussed

    給出生成給定最小周期序列的極小多項式的一個充分和必要條件；給出一般有限域上周期序列的線性復雜度的分佈，並給出其數學期望和方差的一個新的求法，討論了最小周期序列的隨機性。
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