螺旋對稱 的英文怎麼說

中文拼音 [luóxuánduìchèn]
螺旋對稱 英文
helical symmetry
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 稱 : 稱動詞（適合; 相當） fit; match; suit
  • 螺旋 : 1 （具有螺紋的圓柱體 屬于斜面類的簡單機械） corkscrewspin; screw; spiral; helix 2 （螺旋現象;尾旋...
  1. Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.

    已經證實病毒有兩種對稱型，即立體對稱和螺旋對稱。
  2. The building block of all lifeforms on earth is the deoxyribonucleic acid. it has the shape of a double helix in which two polynucleotide chains are coiled about each other in a spiral

    而組成地球上所有生命的基本單位去氧核糖核酸dna的雙螺旋結構也是非對稱地存在的，原來自然界中的去氧核糖核酸絕大部分都是右旋的。
  3. A preliminary analysis shows that the east - west asymmetry in the heliospheric equatorial plane is mainly attributed to the spiral structure of the interplanetary magnetic field

    初步分析表明，行星際磁場的螺旋結構是產生日球赤道面內雙重激波對結構東西不對稱性的主要原因。
  4. Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

    太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象，從以速度和壓強為自變量的微分方程一navier一5tokes方程出發，利用有限差分法對柱坐標系下簡化后的n一s方程進行離散，建立定常的、軸對稱的三維計算模型。
  5. This ship is an aluminum alloy welded catamaran passenger vessel, using symmetrical semi - hull, single deck, upper lower cabins and propeller driven

    本船為鋁合金焊接雙體客船，採用對稱片體，單層甲板，設上下客艙，螺旋槳推。
  6. Successfully simulated and replayed the complicated ball spinning of inner grooved tubes through the establishment of simplified sixth rotational symmetrical fe model and the adapting of local remeshing techniques

    通過建立簡化的六分之一旋轉對稱模型和採用網格局部重劃分技術，成功地模擬和再現內螺紋管滾珠旋壓成形過程。
  7. Prof. horii has invented three new types of spiral flow generators. they are applied in area of engineering practice. in this paper, we depicted the actuality and background of this type of spiral flow, illustrated the important significance of its applications in engineering and basic theory

    日本horii教授發明的三種自發生成螺旋流的裝置引起人們研究的興趣，本文敘述了國際上對此類螺旋流研究的現狀和背景，闡明了螺旋流研究在工業應用上和基礎理論上的重要意義，針對「環狀軸對稱開口徑向進流」旋流發生裝置進行了實驗研究。
  8. The building block of all lifeforms on earth is the deoxyribonucleic acid ( dna ). it has the shape of a double helix in which two polynucleotide chains are coiled about each other in a spiral

    而組成地球上所有生命的基本單位去氧核糖核酸（ dna ）的雙螺旋結構也是非對稱地存在的，原來自然界中的去氧核糖核酸絕大部分都是右旋的。
  9. The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which

    壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊，本論文分別實現了兩種類型的壓控振蕩器（採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器）和兩種類型的雙模預分頻器（使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器） 。
  10. In this thesis we have get the profile of the shroud, the shroud is simulated by circle source and sink series, and the propeller is simulated by a actuating disk

    在計算螺旋槳與函道的相互影響時，只考慮螺旋槳在函道表面任一點上誘導速度的平均值，即軸對稱。
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