有限長度 的英文怎麼說

中文拼音 [yǒuxiànzhǎng]
有限長度 英文
finite length
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 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
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 有限 : limited; restricted; finite; a little; not much
  • 長度 : length; longitude; size; extent; footage
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全錨固錨桿的中性點理論,從等效均化的角來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的元方程的計算格式,為開發運用大型商用元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. The trajectory of antisubmarine homing torpedo is a complex space curve, so there is big limitation in accounting its trajectory length by plane geometry

    由於反潛自導魚雷的彈道是一條復雜的空間曲線,因而平面幾何解析法求解其彈道較大的局性。
  3. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種制型內切酶的酶切圖譜沒顯示出多態性;增加內切酶種類及供試菌株數量,可能獲得具多態性的制性內切酶酶切圖譜; 9本實驗中, its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異,擴增片段均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證
  4. Both of forward and back bearings have been integrated into one box to make full use of the length of base frame that the motor formerly mounted on, and short the shaft extended lengths in both end with the strengthening connection between bearing housing and screw thread of base

    將前後兩支承設計為一個整體軸承座,充分利用原電動機安裝底座的,最大地縮短了軸的懸伸量,提高了軸承座與底座的螺紋聯接強
  5. This paper derived the transfer matrix of the bilayer structure composed of left - handed and right - handed materials, and computed the density of states ( dos ) along the axis of the finite one - dimensional photonic crystal, which was constructed out of n such bilayer structures periodically

    摘要推導出了由左右手材料構成的雙層結構的轉移矩陣,計算了由n個該雙層結構周期性排列所形成的一維有限長度光子晶體沿其軸線方向的態密
  6. Realistic signals are made by summing sine waves of lots of frequencies, so that after some finite number of wavelengths they interfere destructively and you get a signal of finite width and duration

    現實中的信號由各種頻率的正弦波組成,因此,在的波數后,它們會干涉相消,你就得到一個延續的信號。
  7. The influence of msfvw bandwidth on the diffraction efficiency is also considered. for the nonuniform bias magnetic field of u - type parabola profile, when the msw frequency is less than the cut - off frequency at the edge of mo film, the effective mo interaction length reduces. the edge cut - off frequency is determined by the maximum of the nonuniform field

    對于拋物型分佈(開口向上)的偏置磁場,當激發靜磁波的rf頻率小於邊緣截止頻率時,磁光作用的減小(與靜磁波頻率關) ;邊緣截止頻率由不均勻磁場的最大值決定,靜磁波的下截止頻率由不均勻場的最小值確定。
  8. It is shown that if l is a modular lattice with finite length, and with 0, 1 the least and the largest elements in l respectively, then 1 is the union of some minimal elements in l if and only if 0 is the intersection of some maximal elements in l, if and only if each non - zero element in l is the union of some minimal elements in l. by using these results, we give the necessary and sufficient conditions of an algebra module, module, ring, group and semigroup, respectively, to be semisimple

    最後得出生成的ps -系是noetherian ( artinian )系的充要條件是它關于本質子系滿足升鏈(降鏈)條件。第二章給出了一個模格是半單的若干充要條件。得到:有限長度的模格l上,最大元1是若干極小元的並當且僅當最小元0是若干極大元的交,當且僅當l中任意非零元可表示為若干極小元的並。
  9. These methods are following : ( 1 ) in order to build fem model conveniently and enhance calculating speed, interceped a finite length and built a 2d - symmetry model. ( 2 ) in order to apply loads conveniently, kept the entrance of cold fluid. ( 3 ) in order to obtain numerical results in steady situation, lengthened export and import ends

    這些方法主要: ( 1 )為了便於建立模型並提高計算速,對于實際工程中採用的徑比特別大的換熱管採取截取有限長度的方法並建立二維對稱簡化模型; ( 2 )提出採取保留冷流體入口端,截取有限長度的方法施加載荷; ( 3 )適當延翅片管的出口端和入口端,以便獲得穩定工況的數值解。
  10. In the external region, heat transfer between the u - tube borehole and the ground is considered with a model of a finite line - source in a semi - infinite medium, and it is the first time to achieve an analytical solution of the temperature distribution for a such a transient two - dimensional conduction problem by means of the green - function method

    對單個鉆孔的傳熱劃分為兩個區域分別進行研究。在鉆孔周圍區域,將豎直u型管的傳熱簡化為線熱源的傳熱問題,採用格林函數法首次得到了線熱源溫分佈的解析解。
  11. The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶極子,磁偶極線和極帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽深對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  12. Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶極子,磁偶極線和極帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽深對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  13. By using the solution developed and the frequency - dependent stiffness coefficient and damp coefficient, the dynamic behavior, especially the one concerned with the variation of the dimensionless maximum response along the depth, for the pile with finite length or with infinite length was studied. it was shown that to simplify computation a pile of finite length can be taken as the one of infinite length if the ratio of pile length to its diameter ( i. e. lid ) is greater than 15

    利用所得解,採用與頻率相關的剛系數和阻尼系數的近似表達式,對樁和無樁的動力特性特別是對最大無量綱響應沿深的變化曲線進行了參數研究,表明在常見樁土參數下,當徑比大於15時,可將樁視為無樁以簡化計算。
  14. For the scattering field caused by the finite - length conducting and permeable cylinder, the boundary condition that the normal component of electrical strength is zero in conducting medium, i. e. en = 0, was used to determine the separation constant of boundary value problem in the past

    以往含導電導磁圓柱體散射場的求解,大都根據導電媒質中電場強法向分量為零,即e _ n = 0 ,這一邊界條件來確定邊值問題中分離常數的取值。
  15. Small window size, stays on top of everything ( option to turn stay on top off ), unlimited length playlist, shuffle, option of viewing playlist under window if wanted

    一個小窗口,置頂(選項可以選擇) ,無的播放列表,支持拖拽,如果需要可以在窗口下瀏覽播放列表。
  16. Music player with built in playlist - small window size, stays on top of everything ( option to turn stay on top off ), unlimited length playlist, shuffle, option of viewing playlist under window if wanted

    一個小窗口,置頂(選項可以選擇) ,無的播放列表,支持拖拽,如果需要可以在窗口下瀏覽播放列表。
  17. For those, this thesis constructions the hermite b - spline bases scale functions with boundary conditions on the interval. combining with garlerkin method, the steps are given to solve differential equation, as an example, it is used to deal with finite - length beam and plate problems

    鑒于以上的原因,本文構造了滿足西安建築科技大學博士學位論文區間上邊界條件的hermiteb一樣條尺函數基,提出galerkin法求解格式,並應用於彈性地基上梁和板問題,給出了數值結果。
  18. One - dimensional chain model for finite length armchair carbon nanotubes

    有限長度碳納米管的一維鏈模型
  19. Abstract : hybrid finite analytic method ( hfam ) and staggeredgrid are applied to calculate the line buoyant jets in cross flows. the phenomenon and development of end - vortex are simulated successfully and the influences of diffuser length and buoyancy on turbulent buoyant jets are analyzed

    文摘:本文利用混合分析法及交錯網格,對橫流中線源型浮力射流進行數值計算,成功模擬了端渦現象及其發展過程,並分析了擴散器及浮力對湍浮力射流的影響。
  20. Timeout - mechanism for waiting for a given time period

    超時? ?對一個有限長度的時間間隔的等待機制。
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