極限數 的英文怎麼說

中文拼音 [xiànshǔ]
極限數 英文
limiting number
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 數副詞(屢次) frequently; repeatedly
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Does monotone locally bounded function definitely have extreme

    "單調有界函必有"嗎
  2. We compare the approximation of an analytic function f by its taylor polynomial and its poisson partial sum with the same number of terms and illustrate that for functions with limit zero at infinity and for bounded functions the poisson expansion provides a better approximation to the function than the taylor expansion

    在第三章中,介紹了rb曲線與poisson曲線的概念以及基本的幾何性質,指出了poisson基函與有理bernstein基函之間存在的關系,並且將解析函的taylor逼近與poisson逼近進行比較。實例表明,對于在無窮遠處為0的函以及有界函, poisson逼近比taylor逼近效果要好。
  3. In this paper, canonical ensemble theory is applied to investigate the second virial coefficient of a classical mixed gas and the limitative expression of the second virial coefficient formula is discussed ; in the meantime, the application of the investigation conclusion is put out

    摘要本文應用正則系綜理論研究了經典混合氣體的第二維里系,並討論了各種情況,同時指出了所得結果的實際應用。
  4. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上,提出了以準彈性臨界作為穩定臨界準則的設計狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性強度儲備系為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影響的相應設計安全系的合理取值,並與現行規范方法進行了比較
  5. According to the variation, features of the integrand, the values of peaks and troughs are taken out and formed a slowly convergent series, and the repeated averaging scheme is performed to calculate the limit rapidly and accurately

    根據被積函的變化特點,將波峰和波谷值抽取出來組成慢收斂序列,利用重復平均法快速而準確地求出其值。
  6. On the number and distributions of limit cycles in a cubic system

    一類三次系統環的個與分佈
  7. A derivative is defined by a limiting process.

    是通過一個過程加以規定的。
  8. This limit is sometimes called the right-hand derivative.

    這個有時稱為右導
  9. Definition the infinite series converges and has sum if the sequence of partial sums converges to, that is. if diverges, then the series diverges. a divergent series has no sum

    定義如果級的部分和列有,即,則稱無窮級收斂,這時叫做這級的和,並寫成;如果沒有,則稱無窮級發散。
  10. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系因子和阻尼系因子
  11. Number of stars ; electromagnetic spectrum limit

    恆星、電磁波譜
  12. A calculation formula for the quadratic gauss sums

    一類高斯值求積公式的性質
  13. Are there similar characterizations for the countable paracompact ( mesocompact, metacompact ) space and hereditarily mesocompact space ? in this paper, on the basis of the aboves, we obtain some results about them. and the product properties of mesocompact spaces and hereditarily mesocompact spaces have been paid attention. but there is no good result about them. in this paper we obtain a result about the limit of the inverse system of a normal mesocompact space and a hereditarily normal and hereditarily mesocompact space

    那末,可仿緊(中緊、亞緊)空間及遺傳中緊空間是否具有類似junnila的刻畫呢?本文圍繞這個問題在上述結果的基礎上證明了一些結果。另外,中緊空間和遺傳中緊空間的可乘性問題一直受到人們的關注,但還沒有好的結果,本文證明了一個關于正規中緊空間及遺傳正規且遺傳中緊空間的逆的結果。
  14. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的環,從而確定出參卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。
  15. The research studies affect of the hydraulic characteristic of storage equipment to water quality and put forward hygienical limit hrt to storage equipment by mathematics model

    研究蓄水裝置水力特性對水質的影響,應用學模型對蓄水裝置提出了衛生學流動時間和停留時間。
  16. Units producing inflammable and explosive dangerous goods shall attach instruction book with datas such as the ignition point, flash point and explosion limit of the product, and give points of attention for fire and explosion prevention

    生產易燃易爆危險物品的單位,對產品應當附有燃點、閃點、爆炸據的說明書,並且註明防火防爆注意事項。
  17. The feasibility and some advantages of employment of sil have been discussed. the numerical aperture are calculated when laser pulse is defocusing. in contrast with traditional microscopy objective, the employment of solid immersion lens can effectively increase the numerical aperture of the recording system ; thereby it can increase the volumetric density and decrease the demand of the incident laser power

    當脈沖聚焦點相對于固體浸沒透鏡底面離焦時,對系統的有效值孔徑進行了計算,結果表明採用固體浸沒透鏡離焦的方式進行記錄,系統的有效值孔徑最低可增大到固體浸沒透鏡插入前的折射率倍,其值孔徑的理論值為存儲介質的折射率。
  18. Comparison of convergences on regular integral two kinds of improper integral and infinite series

    求無窮級和以及多重積分的概率方法
  19. The 9th power of the 9th power of 9, that, the result having been obtained, 33 closely printed volumes of 1000 pages each of innumerable quires and reams of india paper would have to be requisitioned in order to contain the complete tale of its printed integers of units, tens, hundreds, thousands, tens of thousands, hundreds of thousands, millions, tens of millions, hundreds of millions, billions, the nucleus of the nebula of every digit of every series containing succinctly the potentiality of being raised to the utmost kinetic elaboration of any power of any of its powers

    所得字要用細字密密匝匝地印刷成三十三卷,每卷一千頁。為了統統印刷完畢,就需要購入無刀無令印度紙,整值的位便是一十百千萬十萬百萬千萬億十億,一切級的一切字作為星雲的核心,以簡明的形式所包含的累乘的可能性推到了地能動地開展的一切乘方的一切冪級
  20. When imposed some restrictions on the integrand, the limit can be equal zero at infinity

    當對被積函作某些制時,其在無窮遠處的可以為零。
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