線尺度 的英文怎麼說

中文拼音 [xiànchǐ]
線尺度 英文
linear content
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. In a traverse there is no accumulation of scale error.

    中沒有誤差積累。
  2. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非性傳播是小對流和湍流產生的一個重要的源。
  3. Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices

    文摘:同時考慮次近鄰諧振相互作用和三次方、四次方非諧相互作用,利用多重結合準離散近似方法去計算晶格振動行為,發現一維非性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子,解釋了自局域結構的幅只取決于點陣中的固有參數的實驗現象
  4. 12vdc car plug input and usb plug output. cable length : 22 in extendable to 4 ft

    12vdc汽車電壓輸入, usb輸出插口,接22寸,可伸至4
  5. Furthermore, the dq value ranges of profile multifarctal spectra in different landform types and in different directions of the same sections perform different properties and anisotrpies. it can be concluded that the landscape fractal properties depends closely on the int ensity, manner and inhomogenity of exogenic and inogenic processess, and with the properties, we can study quantatively the dynamic geomorphic process. by using the same methods just above, local fractal dimensions d, crossover length tc and the multifractal spectra dq - q of two large - scale landform profiles ( across and along tianshan mountain ranges respectively ) are calculated. the results show that in the studied scaling range the two profiles perform different scaling properties, and both of them can be divided to three evident different linear scaling subsections

    不同類型地貌區二維地貌表面也表現出多域分形特徵,而且隨著觀測的增加,每個區間的分維值均表現為依次減小,表明外營力作用的影響逐漸被內營力作用所取代:不同類型地貌區在相應區間的分維值表現為高山區中低山區盆地區,體現了不同類型地貌表面粗糙性或復雜性的差異,因此分維值大小可作為地貌表面外營力侵蝕作用強的重要指標:利用標區的間斷點和各種地貌類型表面分維值或宏觀效應趨於一致,提出5 - 6km左右可作為地貌的宏觀臨界點,並且與利用地貌剖研究所得到的5km這一數值是基本吻合的。
  6. 12 " french curve, sandwich line for durability. popular used in garment and fashion design

    透明材質12 "服裝專業曲,用於劃領窩、夾圈、褲浪及多種彎等。內置式條經久耐用。
  7. These show that it is easier to inspire the severe convective weather by the action of nonlinear gravity waves in the condition of the existence of high - level jet

    因此中性重力波的相互作用是強對流天氣突然爆發和一類颮形成的可能動力機制之
  8. Both the landscape and architecture components of the court ? the fountains, the ? operate at a local scale to disrupt the continuum of the ground plane, circulation, and views

    構成庭園的景觀與建築元素噴泉、植栽、柱廊在局部的上中斷了地平面、動及視的連續。
  9. The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm

    結果表明:此次霍山暴雨發生前後,存在明顯的大強低空急流,並受到中切變的影響,而且正渦的加強引起了輻合加劇,提高了上升速從而引起降水,同時暴雨發生前螺旋的迅速增強,也為預報提供了根據,另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。
  10. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二,討論了環境位溫與熱成風因子對中對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中垂直環流非性攝動分析及演變方程。
  11. Meridional heat transfer by large-scale eddies is most significant in the upper troposphere of middle latitude.

    湍渦的子午熱輸送在緯對流層上層是最重要的。
  12. Aiming at the non - linear links such as time lag, inertia, dead time and saturation within the turbine regulating system, a fuzzy - immune - pid control system was designed based on a mutative scale chaos optimization method, the principium of immune feedback system and the theory of fuzzy control

    摘要針對汽輪機調速系統中存在的時滯、慣性、死區和飽和等非性環節,採用模糊控制理論,結合免疫反饋機理,設計了基於變混沌優化策略的模糊免疫pid控制系統。
  13. One ramification of our calculations is that radio pulsars are neutron stars in which the large - scale dynamo has failed to operate

    從我們的計算中,還可以附帶得到一點:無電波霎正是無法形成大發電機的中子星。
  14. This paper reviews and introduces the major research progress on spatial tessellation, spatial relation, multi - dimensional data modeling, spatio - temporal and dynamic data modeling, multi - scale data modeling

    摘要以地理空間實體及其相互間關系的抽象、表達與組織為主,從三維、時空、等角出發,進行了多維動態空間數據模型研究。
  15. Study on the principal dimensions optimization of pentamaran small waterplane area central hull passenger car ferry

    小水面中體五體車客渡船的主優化
  16. As a newly developed high - performance ship, wave piercing catamaran ( wpc ) has been applied and investigated more and more extensively. in this paper, the theoretic calculation method of wave resistance of a kind of wave piercing passenger catamaran with 500 passengers has been researched, including the ship lines optimization ; the fast speed experiment research work and the research of the relation between the principal dimensions and the resistance. the relation between the wave piercing catamaran and the ship form parameters has been further researched, and also some useful theoretic basis and practical means have been provided for its practical engineering appliance

    本文以「 500客位穿浪雙體船」為研究對象,對穿浪雙體船興波阻力理論計算和船型優化方法進行了研究,其主要研究內容如下:一、穿浪雙體船的型優化二、穿浪雙體船快速性理論與試驗研究三、穿浪雙體船主與快速性的關系通過以上內容,較深入的研究了穿浪雙體船船型參數與快速性的關系,為其在實際工程中的應用提供了理論依據和解決方法。
  17. Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves

    首先針對機翼在風浪中的非定常非性氣動力問題,提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型,該模型完整地考慮了波浪表面對氣流場的全非性影響,使波面對流場的擾動分離出來,消除了機翼和波浪幾何上的巨大差異帶來的數值計算上的困難。
  18. ( 3 ) we investigate the nonlinear dynamics of the rotor - ambs system in 1 / 3 and 1 / 2 subharmonic resonances. using the multiple method of scale, the averaged equations of the rotor - ambs system are obtained

    ( 3 )利用多方法,研究了電磁軸承-轉子系統的1 3亞諧共振和1 2亞諧共振情況下的非性動力學,得出了兩種共振情況下的頻幅響應方程。
  19. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由雷達天確定目標坐標的方法,並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精的分析,最後完成雷達回波信號的模擬。
  20. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大結構;牛頓宇宙學、宇宙的動力膨脹及溫發展歷史;宇宙背景微波輻射;大霹靂核合成。
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