正項級數 的英文怎麼說

中文拼音 [zhēngxiàngjíshǔ]
正項級數 英文
positive term series
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 項 : Ⅰ名詞1 （頸的後部） nape （of the neck） 2 （款項） sum （of money） 3 [數學] （不用加、減號連接...
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
  1. Traditional sports and folk sports are of great variety, which may be used as pe resources. but such contents are absent in the pe textbooks. so it is natural that the pe classes can not arouse interest of students ; the number of the playground and sports apparatus can not meet the standard. neither can they satisfy the demand of students ; it ' s practical to take advantage of the local geographical resources in pe curriculum ; extracurriculum and after - school activities can not meet the demand of students, which should be developed and utilized to a greater extent ; the structure of pe teachers is far from satisfactory

    結果顯示，甘肅少數民族地區小學體育課程資源存在著課程內容中民族傳統體育和民間體育活動項目豐富，然而教材內容沒有考慮地方和實際情況，很難引起學生的興趣；各級各類學校體育場地、器材的要求相差甚遠，現有體育場地器材都無法滿足教學要求和學生的體育需求；自然地理財富作為一種體育課程資源來開發很具有價值和實際意義；課外體育活動和校外體育活動還不能滿足學生的需求，尚須大力開發和利用；體育師資結構不合理，學歷結構偏低，且相當一部分是民辦教師轉正等問題。
  2. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  3. Following is our main work and important conclusions : ( 1 ) the question of energy spectrum hardening. we used the klein - nishina ' s differential scatter formula, meanwhile utilize the thaler progression to spread out, and neglected the high - power, and then we deduced a theoretical formula of correction of energy spectrum hardening

    其主要工作和結論如下： （ 1 ）對x射線能譜硬化問題，把klein - nishina微分散射方程，利用泰勒級數展開，在忽略高次項的情形下，近似地推導出了能譜硬化修正公式。
  4. Theorem 1 ( bounded sum test ) a series of nonnegative terms converges if and only if it ' s partial sums are bounded above

    定理1正項級數收斂的充分必要條件是：它的部分和數列有上界。
  5. Strong and weak comparison on positive progression judgment convergence algorithm

    正項級數判斂法的強弱比較
  6. Setup functions enable user - defined adaptation of a wide variety of options such as display contrast, record printout, saving data on the computer, general code, temperature calibration, acoustic signal, date and time, id, data transfer, update fix programs, language, c f changeover, check program, battery change, diagnosis data, printing programs, seal test, service functions for maintenance

    設置功能允許使用人員對多種選項進行定義和調節，例如顯示屏幕對比度列印記錄把數據記錄到計算機上總碼溫度校正音響信號日期和時間識別傳輸數據固定程序升級語言攝氏和華氏溫度轉換檢查程序更換電池診斷數據列印程序測試密封保養用服務功能。
  7. Setup functions enable user - defined adaptation of a wide variety of options such as display contrast, record printout, saving data on the computer, general code, temperature calibration, acoustic signal, date and time, id, data transfer, update fix programs, language, screen saver, c f changeover, check programme, battery change, diagnosis data, printing programs, seal test, service functions for maintenance

    設置功能允許使用人員對多種選項進行定義和調節，例如顯示屏幕對比度列印記錄把數據記錄到計算機上總碼溫度校正音響信號日期和時間識別傳輸數據固定程序升級語言屏幕保護攝氏和華氏溫度轉換檢查程序更換電池診斷數據列印程序測試密封保養用服務功能
  8. On the speed of convergence and divergence of positive progressions

    對正項級數斂散快慢的討論
  9. For some non - symmetric homogeneous domains, we can also get the explicit formulas of their bergman kernel functions by hua method [ xu4 ] [ gi ]. we know the complete orthonormal system of the bounded reinhardt domain made up of monomials, and complex ellipsoid domain is the bounded reinhardt domain, so the explicit formulas of the bergman kernel functions are obtained by summing an infinite series in some cases ( called method of summing series )

    對於一些非對稱的齊性域，也可以用華羅庚方法得到它們的bergman核函數的顯表達式我們知道，有界reinhardt域的完備標準正交系由單項式組成，而復橢球域是包含原點且以原點為中心的有界reinhardt域，於是可以通過無窮級數求和函數的方法，計算其bergman核函數的顯表達式，這種求bergman核函數的顯表達式的方法稱為級數法。
  10. A conclude about ratio test of positive series

    關于正項級數比值判別法的一個推廣
  11. A new study of a positive item

    對一個正項級數命題的再探討
  12. Study on the peaks linked to the crystalline of l - la with variable temperature ftir spectra method

    正項級數的一個新的判斂法
  13. Series of positive terms

    正項級數
  14. Positive term series

    正項級數
  15. This paper deals with the work of the 19th century mathematicians on the criteria for the convergence and divergence of the infinite series, which are seldom mentioned in our calculus textbooks

    摘要對19世紀上半葉歐洲數學家在正項級數斂散性判別方面的工作作了考察和分析。
  16. Theorem 2 ( ordinary comparison test ) suppose that and are positive series, and. if the series converges, so does ; if the series diverges, so does the series

    推論設和都是正項級數，如果級數收斂，且存在自然數，使得當時，有，則級數收斂；如果級數發散，且當時，有成立，則級數發散。
  17. And beginning with a perturbed nls equation, using a multi - scales perturbation expansion, we get the zero order and the first order equations, discuss the eigenstates of the operator in the equations, induct relevant " derivative states ", form the completeness of the bounded eigenstates of the associated operator in li space, and expand the corresponding parameters in the closure, get a series evolution equations of the coefficients in the expanded formulas, find the first order approximate solution by researching the evolution equations. this paper also gives the basis of this method - the completeness we have formed and the singular perturbation technique

    ） dinser方程的求解問題，討論了自伴運算元的本徵函數的正交性和完備性，介紹了尋求微分方程的近似解常用的攝動方法，並從帶有某種擾動項的nls方程出發，利用多重尺度的攝動方法得到了方程的零級近似方程和一級近似方程，通過對近似方程中運算元的特徵態的討論，引入適當的「導出態」 ，建立了運算元在l _ 2空間的特徵態的完備性。
  18. The second aspect : from qgp kinetic equations with collision integrals, by using the relaxation time approximation, we calculate the distribution functions to the second order correction. we obtain the distribution functions for quarks ( and anti - quarks ) and gluons under perturbation of the fluctuation of the color field. then in the high - temperature - low - density area, we discuss the characteristics of the distribution functions, and use t hem to get the net baryon density and the energy density

    第二，從有碰撞項的qgp動力論方程出發，忽略自旋，在色漲落擾動下，利用弛豫時間近似，得到夸克和膠子分佈函數的二級修正，通過數值分析重點討論了高溫低密情況下qgp中成分粒子分佈函數的特性，並且由分佈函數得到凈重子數密度和能量密度。
  19. In this paper, we discuss the criterion of convergence about series of positive term and find a mistake in a famous textbook, we obtain a respouse theorem

    摘要討論了正項級數的判斂法，糾正了某數學分析教材用拉貝判別法解題的一處錯誤，並給出了一個不存在收斂最慢的正項級數的命題。
  20. To distinguish the convergence for series of positive terms, this paper gives some generalized theorems on the basis of a new value of ratio criterion. whats more, it is proved that the generalized theorems are stronger than the j. d alemberts criterion, the a. l. cauchys criterion and the j. l. raabes criterion

    為判別正項級數的收斂性，在一種新的比值判別法的基礎上作了更進一步的推廣，使其更具一般性.同時，通過與達朗貝爾判別法、柯西判別法、拉貝爾判別法的比較，說明它比以上方法都強
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