旋子群 的英文怎麼說
中文拼音 [xuánziqún]
旋子群
英文
spinor group-
A few passers - by noticed him and immediately dashed back to their offices. after just a few moments they returned with their presidents and vice - presidents, accompanied by teams of people in pinstripe suits who must be lawyers, accountants and bankers
幾個人剛剛路過，瞥了他一眼，便慌忙的往公司寫字樓直奔，不旋踵就迎來公司里最高層的總裁副總裁，還有一大群穿細條子西裝，準是律師會計師銀行家模樣的專業人士。Groups of men and women were coming down the little winding staircase, and the outlines of battered hats and worn - out shawls were visible in the shadows. they looked colorless and unlovely, as became poor play actors who have got rid of their paint
男人們和女人們三五成群從小螺旋樓梯上往下走，在昏暗中，依稀看見一頂頂破舊的帽子，一條條起皺的披肩和卸裝后的一張張群眾演員的灰白醜陋的面孔。The results of benzenoid lattice by site - block based on ising model are closer to the exact values of ising model than the triangular an d hexagonal lattices
本文在計算過程中仍採用重整化群的自旋?元塊法，並採用ising模型，計算出的結果比三角和六角格子更接近ising模型的嚴格解。Response surface has been built based on bp neural network with relationship of maximum of spinning force variety, material parameters and power spinning process parameters established and optimum achieved by using particle swarm optimization algorithm hence optimization of tube power spinning process parameters
摘要以bp神經網路為基礎構建響應曲面，建立材料參數、筒形件強力旋壓工藝參數等和旋壓力最大變化值之間的關系，並用粒子群優化演算法求解，獲得符合優化條件的最優解，從而實現筒形件強力旋壓工藝參數的優化。Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes, exact expressions for calcualting the attenuation cross section of polydisperse, small spheroids, whose rotary axes are in specific status, have been derived. attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed. the results are informative to microwave remote sensing of precipitation
文摘:從計算任意形狀粒子的衰減截面普遍公式出發，推導出了小旋轉橢球粒子群旋轉軸處于不同狀態時的衰減截面函數表達式，並計算分析各種狀態下衰減截面隨降水粒子相態、形狀和入射波波長的變化特徵，所得結果可用於降水微波遙感。The procedure is as follows : after the modeling of the electron quantum bit system and the control field, applying the lie - algebra, the control output is calculated by analogy with the classical optimal control method to achieve the target
建立了該量子比特系統及其控制場的模型，藉助李群李代數，由經典最優控制的思想來獲得最優控制，從而實現了電子自旋量子系統任意量子態的最優制備。The patient hounds lay down again in the soft red rust and looked up longingly at the swallows circling in the gathering dusk.
那一群獵犬也就在那軟紅土上坐了下來，饞涎欲滴地望著一群在暮色蒼茫中盤旋的燕子。Particle swarm optimization based on rotate surface transformation
基於旋轉曲面變換的粒子群優化方法As the sombre wheels of the six carts go round, they seem to plough up a long crooked furrow among the populace in the streets
這六輛車的陰沉的輪子旋轉著，似乎在街上的人群中犁出了一條彎彎曲曲的溝畦。One night stephen accompanied a group to a chicago discotheque, where he joined in the festivities by wheeling onto the dance floor and spinning his chair in circles
一天夜晚，斯蒂芬在一群人的陪伴下來到一家芝家哥迪斯科舞廳，在那兒他坐在輪椅上加入到慶祝活動的行列，在跳舞圈子中間他旋轉著輪椅。Other major galaxy types are globular clusters, elliptical galaxies, and barred spirals, which have bars of dust, gas, and stars running across the galaxy s center like the spokes of a wheel
其它主要星系類型是球狀群省略星系，和被禁止的螺旋，有塵土氣體，和星酒吧運行橫跨星系的中心象輪子的輪幅。This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave
本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵，以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。Optimization of unusual type spirally fluted tubes basing on particle swarm optimization
基於粒子群優化演算法的異型螺旋槽管優化設計In this theory, bars and spiral arms are waves of excess density, where stars are crowded together temporarily in a cosmic traffic jam
在這個理論中，棒子與螺旋臂是高密度所形成的波，而在該處恆星蜂擁群集，造成暫時的宇宙交通堵塞。July 26 - 28, 2002 will remain unforgettable days for many little fellow practitioners in formosa. during this period, a group of future buddhas arrived at cheng ching lake in kaohsiung in southern formosa to attend the paradisiacal kingdom summer camp held especially for them during their school vacation. besides having a happy time eating and playing, the children made many friends who will be good companions on the road of spiritual practice
對于福爾摩沙地區的許多小同修而言，今年7月26日至28日，將成為他們畢生難以忘懷的日子，因為在這三天里，這群當來佛來到高雄澄清湖畔參加了暑假期間特別為他們舉辦的pk paradisal kingdom旋風夏令營，每位參加的小同修不但吃得開心玩得盡興，更結交了不少修行路上的好伴，同時也深深體會到工作人員的愛心付出。The bottom was clean sand. the plunge of our anchor sent up clouds of birds wheeling and crying over the woods ; but in less than a minute they were down again, and all was once more silent
我們拋錨的響聲驚起了成群的飛鳥，它們在林子上空盤旋著鳴叫著，但是不到一分鐘的工夫又都落了下來，一切又歸于沉寂。By driving expressions and using the method in numerical integration, the results of numerical calculations are analyzed, discussed and contrasted with different conditions, and they showed that there are evident differences in the mean attenuation, scattering, and back scattering cross sections of oblate spheroid particles when the variance is so small that it is near to zero namely it is the same as the rotatory axes are parallel with one direction and when h - polarized and v - polarized incident waves happened. these differences are depended on the relative differences in the average orientation of rotatory axes and the polarized directions of incident wave
通過公式推導和數值積分計算並對結果做了討論和分析，對比各種情況表明：扁橢球粒子群在方差很小接近為0時，與粒子群旋轉軸一致取向的情況相同，入射波水平極化和垂直極化時的平均衰減截面、平均散射截面、平均後向散射截面有明顯的不同，這決定於旋轉軸平均取向和入射波極化方向的相對差異。An processing method of measured data from scroll wrap using a three - coordinate machine based on pso
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