geometries 中文意思是什麼

geometries 解釋
幾何尺寸
  1. Allen and co-worker did ab initio calculation to test the adequacy of scf mo calculations for predicting molecular equilibrium geometries.

    愛倫及其同事應用從頭計演算法來考查SCFMO計算對于預示分子平衡幾何形的適宜性。
  2. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史,可以稱得上波瀾壯闊:一方面,從古希臘時代的歐氏綜合幾何,到近代解析幾何等多種幾何的發展,以及用變換的方法處理幾何的埃爾朗根綱領,到20世紀拓撲學、高維空間理論等幾何學的新發展,這一切都在不斷豐富人們對幾何學的認識;另一方面,從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系,到羅巴切夫斯基非歐幾何的發現,以及希爾伯特形式公理體系的建立,極大地發展了公理化思想方法,不管是幾何學的內容還是方法都發生了質的飛躍。
  3. The non-euclidena geometries were in effect subordinated to euclidean geometry.

    非歐幾里德幾何實際上是從屬于歐幾里德幾何的。
  4. Another reason for the loss of interest in the non - euclidean geometries was their seeming lack of relevance to the physical world

    對非euclid幾何失去興趣的另外一個原因是它們似乎缺乏與物質世界的關聯。
  5. This product is a new - generation initiatory toy for baby ; 2 、 guide baby to correctly know various geometries such as triangle, hemicycle, rectangle etc. 3 、 train baby ' s ability of practice and thought ; 4 、 arouse baby ' s imagination so bring into play creativity during actual operation

    本產品是新一代的幼兒啟蒙玩具; 2 、可引導寶寶對三角形、半圓形、長方形等各種幾何形狀的正確認識; 3 、鍛煉寶寶的動手動腦能力; 4 、激發寶寶想象力,從而讓寶寶實際操作過程中發揮創造力。
  6. Guide baby to correctly know various geometries such as triangle, hemicycle, rectangle etc. 2 、 promote baby ' s coordinate ability of hands, eyes and brain. 3 、 train baby ' s patience and ability of practice and thought. 4 、 stimulate baby ' s imagination and skill of space combination. 5 、 thus bring into play creation during practical operation

    引導寶寶對三角形、半圓形、長方形等各種幾何形狀的正確認識; 2 、促進寶寶手、眼、腦協調能力; 3 、鍛煉寶寶的耐性及動手動腦能力; 4 、激發寶寶想象力,空間組合能力; 5 、從而在實際操作過程中發揮創造力。
  7. In the second part, we introduce the formative processes, the optical geometries and the mathematical descriptions of several typical holograms particularly : the in - line holograph, the off - axis holograph, the image holograph, the rainbow holograph and the volume holograph

    第二部分詳細介紹了幾種典型全息圖:同軸全息圖、離軸全息圖、像全息圖、彩虹全息圖和體積全息圖的形成過程、光路設計及數學描述。
  8. Oversteer in the “ textbook ” sense is the difference between cornering stiffness at front and rear, taking into account tyre characteristics, geometries, bush rates, etc, etc

    轉向過度在教科書中是指前後輪轉向剛度的不同,需要考慮到輪胎的特性,幾何學,襯套比率等。
  9. Another reason for the loss of interest in the non-enclidean geometries was their seeming lack of relevance to the physical world.

    對非Enclid幾何失去興趣的另外一個原因是它們似乎缺乏與物質世界的關聯。
  10. Detectors ( contd. ) : vertical vs. in - plane geometries. quantum well intersubband photodetectors

    垂直與平面結構。量子井次能帶間躍遷型光偵測器。
  11. Relationships between the minor axis semidiameter and major axis semidiameter have been empirically determined for different structural detail geometries.

    對于不同結構細節的幾何形狀,已經確定了短軸和長軸半徑之間的關系。
  12. The rayleigh - taylor ( rt ) instability in cylindrical and spherical geometries was analized in this thesis, based upon velocity potential theory

    本論文利用速度勢理論對柱和球幾何中不可壓縮流體的rayleigh - taylor ( rt )不穩定性進行了研究。
  13. In this article, physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made, based on the lared - s code in planar geometry. it consisted of the processes such as the inverse bremsstrahlung absorption, electic heat conduction and fluid dynamics

    本論文在lared - s程序平面版本基礎上,推導了三維柱和球幾何中激光驅動的物理方程和相應的差分方程,編制了二維和三維柱和球幾何中激光驅動流體不穩定性的lared - s程序版本,主要物理過程包括:激光逆軔致吸收、電子熱傳導和流體運動。
  14. Thirdly, multimode - coupling phenomena in cylindrical geometry was analyzed by the simulation. the growth of every mode and its harmonic was qualitatively compared well with the solutions of mode - coupling equation. fourthly, the rt instability in cylindrical and spherical geometries was calculated during an implosion

    第三,利用lared一s程序模擬柱幾何中rt不穩定性的多模禍合問題,對各個模及其高次諧波的變化進行了分析,並且與模藕合方程的解定性地進行比較,結果符合得較好。
  15. The strength of convergent shock was enhanced in cylindrical and spherical geometries than in planar geometry. the bubble became more wide and big and the spike became more narrow and long. it showed in spherical implosion that the spike close to the symmetrical axis grew faster than the ring one away from the symmetrical axis

    第四,利用lared一s程序模擬柱和球幾何內爆過程中rt不穩定性增長,表明收縮幾何效應對內爆過程中不穩定性的增長有重要影響,柱和球幾何中聚心沖擊波的強度大於平面情況,氣泡變得更加寬而大,而尖頂變得更加細而長。
  16. Secondly, nonlinear threshold of two - dimensional rt instability was analyzed in planar and cylindrical and spherical geometries. density amplitude was defined relating to instable interface and formulae of nonlinear threshold values for rt instability in three geometries were given, then the lared - s code was used to simulate two - dimensional rt instability in three geometries and simulation results agreed well with the formulae

    其次,討論了二維平面、柱和球幾何中rt不穩定性發生非線性偏離的閾值問題,給出了三種幾何中密度擾動振幅的非線性閉值公式,並且用lared一s程序進行了檢驗,計算結果表明柱和球幾何中的模藕合機制與平面幾何不同,存在幾何效應的影響。
  17. In addition, it was the sign of the initial amplitude growth rate, not the manner of the interface motion that determined whether the amplitude could increase. at weakly nonlinear stage, mode - coupling equations were derived in cylindrical and spherical geometries. it showed that the nonlinear terms were inversely proportional to the position of the interface in cylindrical and spherical geometries

    在弱非線性階段,推導了柱和球幾何中模耦合方程,結果表明:非線性作用項反比于界面的位置,界面的位置越小,非線性作用越強,反之越弱;同時柱幾何中模耦合方程的解表明,在收縮幾何中,擾動在界面兩側的發展是不對稱的,在弱非線性階段,不穩定性向內發展的部分受到慣性力的擠壓,而向外發展的部分受到慣性力的拉伸。
  18. At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry

    在線性階段,已有的研究表明:一方面,在內爆(或外爆)過程中擾動波長變短(或變長) ,使得不穩定性的增長率變大(或變小) ;另一方面,即使不存在界面加速度,界面運動仍然可能導致擾動幅度的增加,柱幾何中擾動幅度的變化速率正比于界面收縮比的平方,球幾何中擾動幅度的變化速率正比于界面收縮比的三次方,並且擾動幅度的變化方式(增加或減少)只與初始時刻擾動幅度的增長速率(正或負)有關,而與界面的運動方向(向內或向外)無關。
  19. In the second part, using the affine geometries, we construct an infinite family x ( p, n ) of semisymmetric graphs of order 2pn and valency p, where p is prime and p > n > 3

    第二部分我們從仿射幾何構造了一個半對稱圖的無限族x ( p , n ) ,在這個無限族中圖的階為2p ~ n ,度數為p ,這里是p素數且p n 3 。
  20. With regard to the restrains of geometries boundaries of the surface, we have finished the tooth contact analyses ( tca ) and precisely drawn the actual contacting area on the surface. the relations between the total length of the actual contacting lines and the rotating angle of worm gear are also revealed in this dissertation

    為了獲得蝸輪輪齒齒面的準確描述,按共軛理論計算了蝸輪齒面的實際接武漢理工大學博士學位論文觸線,通過考慮蝸輪齒面的實際幾何約束,確定了蝸輪齒面的實際嚙合區,並運用數值方法精確計算了蝸輪齒面的邊界線。
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