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asymptotic approximation中文什么意思

發(fā)音:   用"asymptotic approximation"造句
  • 漸近逼近
  • 漸近性近似
  • 漸逝逼近
  • approximation:    n. 1.接近；近似。 2.【數(shù)學(xué)】近似值。 3.概算， ...
  • asymptotic:    漸近的; 漸近線的; 浙近的
  • approximation:    n. 1.接近；近似。 2.【數(shù)學(xué)】近似值。 3.概算，略計。 successive approximations 逐次近似計算法。 be a very close approximation to 很接近于…。
  • approximation approximation:    近似，逼近
  • asymptotic a roximation:    漸近逼近
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例句與用法

  1. And by a monotone integral operator , we give an asymptotic approximation way which is further improving the older ways
    并且使用一個具有單調(diào)性的算子，給出了一種更實(shí)用更有效的對破產(chǎn)時刻赤字分布函數(shù)漸進(jìn)估計的方法。
  2. It is well known that the coupled interactions between the ship hull and the surrounding fluid field of explosion give rise great influence to both the fluid loadings over the structural wetted surface and the responses of the hull . jt is the coupling effect that provides the major difficulties in the underwater explosion induced dynamic responses of the ship structure . the second order doubly asymptotic approximation method ( dda2 ) has been commonly employed in the world to deal with the coupling effect
    本文針對daa方法不適合于分析敷有聲阻抗與水差不多的聲學(xué)材料(如玻璃鋼與消聲瓦)的船體結(jié)構(gòu)與水下沖擊波相互作用的局限性，依據(jù)聲波的反射和透射原理對二階daa方法的高頻段進(jìn)行了改進(jìn)，發(fā)展并提出了能夠分析聲學(xué)材料流固相互作用的adaa方法( acousticdaa ) ，拓展了應(yīng)用范圍，使現(xiàn)有的二階daa方法成為它的一個特例。
  3. In the theoretical description of grazing emission fluorescence , the mode of fluorescence intensity emitted from layered materials dependence of grazing angle is established by applying asymptotic approximations to double fourier integrals , and the theoretic calculation formula of fluorescence intensity from a thin layer is derived . by the derived expressions , the theoretic simulation curves of several thin layers on si substrate are calculated . in the experimental setup , the requirement of construction of the setup and some important parameters are brought forward
    最后，利用平穩(wěn)位相方法建立了掠出射情況下薄層樣品產(chǎn)生的熒光強(qiáng)度和掠出射角的對應(yīng)關(guān)系數(shù)學(xué)模型，推導(dǎo)了薄層樣品熒光強(qiáng)度理論計算公式，并以此為依據(jù)模擬計算得出了cr 、 fe 、 ti和ni等幾種以si作基底的單層薄膜樣品的熒光強(qiáng)度隨掠出射角變化的理論曲線。

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