逆程時間 的英文怎麼說

中文拼音 [nìchéngshíjiān]
逆程時間 英文
flyback period
  • 逆 : Ⅰ形容詞1 （方向相反） contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 （抵觸; 不順從） go aga...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先，作者針對機器人的設計要求提出了多個方案，對其進行分析比較，選擇其中最優的方案進行了結構設計；同時進行了運動學分析，用d - h方法建立了坐標變換矩陣，推算了運動方程的正、逆解；用矢量積法推導了速度雅可比矩陣，並計算了包括腕點在內的一些點的位移和速度；然後藉助坐標變換矩陣進行工作空間分析，作出了實際工作空間的軸剖面。
  2. With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper

    （ 3 ）通過精密加工的約束條件方程，探討理想刀具路線、逆變數控指令與實際刀具軌跡之間的映射關系，解決誤差補償技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的理想點時，精密數控指令值究竟該是多少，如何能夠通過計算，獲得這樣的數控指令值，給出經修正的數控指令計算方法。
  3. The same computational code was also used to reconstruct the reverse time image

    相同的計算機程式並用以推求空間逆時影像。
  4. The chinese word wuli was first examined in literature of the warring states period. according to its wide use in ancient china, the word refers in general to the principle of all objects or the natural laws. in ancient times the meaning of wuli is similar to physics in the west. the translation of the english word physics was made some alterations in the introduction of western science during the ming and qing dynasties. from the 17th to the early 19th century, some chinese books on physics translated by protestant missionnaries were annotated and translated in japan. after the sino - japanese war reversed the flow of knowledge between china and japan. from the second half of the 19th century to the early years of the 20th century, the translation of the english word physics was defined early or late in japan and china. now the range and object of physical research are continually changing along with the rapid development of modern physics

    「物理」一詞，在中國古代最早見于戰國，此後在各種典籍中被廣泛使用，其含義泛指萬物之理與自然規律，這種含義與西方古代「物理」一詞的含義相近.明清時期西學東漸， 「物理」一詞的翻譯幾經變化.古代日本的科學在相當程度上受到中國的影響， 17世紀至19世紀上半葉來華傳教士譯述的物理書籍也在日本被注釋翻譯.甲午戰爭后，中日兩國之間科技交流的態勢發生了逆轉. 19世紀下半葉至20世紀初，日中兩國「物理」一詞的譯名先後確定.隨著現代物理學的迅速發展，物理學研究的范圍和對象又在不斷地變化
  5. The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different

    其中，並列運行的無串補交流輸電線路可以緩解hvdc與其臨近機組之間的機電耦合程度，改善hvdc的電氣負阻尼特性，從浙江大學博士學位論文摘要而減輕機組發生次同步振蕩的危險性，此時系統的整體電氣阻尼特性由hvdc的性質決定;但若交流線路中存在串聯補償電容，則系統幅值較大的電氣負阻尼不僅可能使整流站機組發生次同步振蕩，逆變站附近機組同樣存在發生次同步振蕩的可能性，此時系統的整體阻尼特性由串聯補償電容的性質決定。
  6. Prestack migration is performed by reverse - time migration method based on maxwell ' s equations using time - domain finite - difference method

    疊前偏移用時間域有限差分求解麥克斯韋方程組的逆時偏移方法實現。
  7. Mass spectrometry of synthetic hw - ma and rgd - hw are in full agreement with those speculated theoretically, which proves the success of peptide synthesis and refold. on isolated mouse phrenic nerve - diaphragm preparations, hw - ma can block the neuromuscular transmission in 35 minutes or so ( l 10 - 5 g / ml ), its biological activity shows 73 % decrease comparing with biological activity of native hwtx - i. it proves t hat the protein engineering of synthetic chimera hwtx - i has gained success to some extent, although it did not achieve our expectations. thus it proved that hwtx - i can be using as natural scaffold for protein engineering. and also emphasized the importance of " local stereo circumstances " of activity site when the foreign activity site was transferred into a natural scaffold

    濃度為1 / 1059 / ml的hw一ma突變體能可逆阻斷小白鼠隔神經書高肌的接頭傳遞，阻斷時一間為35min左右，與天然hwtx一i比較，生物學活性下降3一4倍，說明合成的突變體改造獲得了一定的成功，盡管與我們預期的目標有一定的差距，從而證明hwtx一i可以作為蛋白質工程研究的天然分子骨架，同時也強調了往天然分子骨架中轉移外源活性位點時維持活性位點「局部立體環境」的重要性。
  8. Recently, new urbanism becomes popular, which holds to develop both insides and outsides of city. according to function, city area can be divided into cbd, industrial area, residential area and so on. these areas " arrangement in city space shows some rules such as the fan shape, multi - corns

    本文從經濟地理角度出發，在時間維度上，探討了「城市化?逆城市化?新都市主義」的發展過程；在空間維度上，闡述了商業、工業、住宅等城市職能分區和同心圓、扇形、多核心等城市地域空間結構理論。
  9. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上，本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序，並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段，這對指導施有積極、現實意義；提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況，指出粘土地區也應考慮時間效應，並且進一步分析了基坑邊坡土體的塑性區形成和發展，找出邊坡最不利的區域，以確定地下室土體的挖掘的方式和順序，指出憑主觀臆斷與經驗來施工是不可取的；在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同，提出了節點處理技術；分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異，並探討了解決的方法；本文還提出了環境振動對土體邊坡穩定產生影響的觀點，並分析了在環境振動影響下，土體的應力狀態及土休失穩破壞概率，並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態，指出了被監測墻體的最大應力、應變位置。
  10. Time - independence of irreversible behaviors and stability of irreversible systems

    時間無關不可逆過程及不可逆系統的穩定性
  11. Using this system, we have studied matrine - inhibittory effect and trifluoperation - neuroprotection effect in hippocampal slices, also discussed the mechanism of long - term potentiation using anesthetic rats. the experiment results showed that matrine can inhibit the hyperactivity induced by penicillin sodium in dosage by changing the relative parameters of field potential ; trifluoperation can alter ps change with the time, enhance the degree and the ratio of ps recovery, then minis the hypoxic injury ; high frequency stimulate can increase ps amplitude and epsp slope for long time, buildup the in / out function of nerve cells, and enhance synaptic plasticity

    結果表明，苦參堿能夠劑量依賴性地抑制青霉素誘導的神經元順向信號傳導激活過程，使細胞外記錄到的場電位各個參數發生相應改變；三氟拉嗪可以改變ps的時相變化，提高ps的恢復程度和恢復率，減小了神經元因缺氧引起的不可逆損傷；高頻刺激（ highfrequencystimulate ， hfs ）可以長時間的增強ps的幅度和epsp的斜率，進而增強神經元的輸入輸出功能，增加了突觸的可塑性。
  12. According to the experimental result, by introducing pcms to the building, the temperature fluctuation was buffered and the time of indoor comfort temperature was prolonged, at the same time, the energy storage course of pcms has reversibility and continuity

    實驗結果說明，相變材料的加入可減緩溫度波動、延長室內舒適溫度時間，同時說明，相變材料的貯能過程具有可逆性和連續性。
  13. Even though reverse engineering may require some manual adjustment, depending on the existing applications, it still lets you reduce the time needed to analyze and understand your applications

    根據已有的應用程序，即便逆向開發可能需要一些人工調整，它也能讓你減少用於分析和理解應用程序所需的時間。
  14. As the temperature of pyrolysis and the soak time increasing, the carbon materials become more stacked, the specific surface area reduces, both reversible capacity and irreversible capacity decrease, the initial coulumbic efficiency increases, and the hysteresis in the voltage profile between charge and discharge is cut down

    隨著熱處理溫度的升高和恆溫時間的延長，所得炭材料的有序化程度增加，比表面積減小，可逆嵌鋰容量與不可逆容量均減小，首次充放電效率增大，電壓滯后現象得到抑制。
  15. The explicit method is widely used for its simpleness and little memory consumed with local time step and variable coefficients implicit residual smooth to accelerate the convergence procedure. according to yoon and jameson ' s ideas, an efficient implicit lu - sgs algorithm is carefully constructed by combing the advantages of lu factorization and symmetric - gauss - seidel technique in such a way to make use the l and u operators scalar diagonal matrices, thus the numeric algorithm requires only scalar inversion. the computational efficiency is greatly improved with this scheme

    顯式方法具有簡單，消耗內存小等優點，並採用當地時間步長、變系數隱式殘值光順等加速收斂措施，在定常流動的模擬中得到了廣泛的應用;根據yoon和jameson提出的簡化正、負矩陣分裂，構造的l 、 u運算元只需進行標量對角陣求逆，極大提高了流場數值求解過程的計算效率;採用newton類型的偽時間子迭代技術使時間推進精度提高至二階。
  16. By laplace transforming the governing equation of the problem of unidirectional fiber reinforced composite materials, the formulae for predicting the viscoelastic relaxation moduli in laplace transformed domain are obtained. according to correspondence principle of viscoellastic mechanics and elastic, mechanics, the results of effective moduli for several s are obtained by using the finite element method of the homogenization. then effective relaxation moduli should be curve - fitted, according to the viscoelastic relaxation modulus formulae of many viscoelastic materials

    首先對單向纖維增強復合材料粘彈性問題的控制方程進行laplace變換，在像空間s中利用均勻化理論建立宏觀鬆弛模量的laplace變換泛函形式，根據粘彈性-彈性對應原理，用均勻化問題的有限元方法預報單向纖維增強復合材料在相空間中多個離散點的本構關系，然後根據典型粘彈性材料的鬆弛模量具有的函數形式進行曲線擬合，再通過對擬合出的函數進行laplace逆變換，從而再回到時間t域，就得到了單向纖維增強復合材料的鬆弛模量。
  17. Particularly for navier - stokes equation, we will compare the gmres methods with different preconditioned. we make some variances from the hss preconditioner ( [ 15 ] ), that are ma1 - ma4 in our paper. comparing with block triangular preconditioner we will find that the cpu time for ma1 is the smallest

    對navier - stokes方程的求解，我們重點是比較不同預條件的gmres方法，對基於對稱，反對稱分裂（ hss ）的預條件（ [ 15 ] ） ，我們提出幾種變形，本論文分別用m _ （ 1 ? m _ （ 4 ）來表示，並用它們和約束預條件做比較，結果表明，在計算時間上m _ （ 1 ）是最少的，最後我們對ep線性方程組的廣義逆解的擾動分析的某些結果也通過數值實驗給予驗證。
  18. 4. with the consideration of practical soil - pile interaction, the soil around pile is modeled as a three - dimensional viscous - elastic continuous medium and the time effect of the settlement of single pile is studied. the semi - analytical solutions for vertical displacement of soil and for the relationship between settlement of pile head and time were obtained by laplace transform method and fourier inverse method, and the law of the settlement of pile head varying with time was then analyzed and discussed

    考慮樁土藕合作用的單樁沉降時間效應研究從研究空間軸對稱問題的角度出發，將樁周土體建模為三維粘彈性連續介質，更為合理地考慮了靜荷載下樁土系統中單樁與樁周土的藕合作用，分別建立了樁周土體和樁體的靜力平衡方程，並通過拉普拉斯變換、傅立葉逆變換等數學手段，獲得了單樁樁周土體的垂直變形和樁頂沉降在拉普拉斯變換域內的解析解和在時間域內的半解析解，進而分析討論了單樁沉降隨時間變化的規律。
  19. Because of the complication of ground condition, the ground is regarded as continuous layers and each layer of soil is defined as a uniform and elastic object. by solving the wave equation ( navier equation ) of three - dimensional elastic object, the results of ground under moving loads in wave number ? frequency field are obtained, then through the rapid fourier reverse transform, the results in space - time field are obtained

    由於地質條件的復雜性，將地基看成是層狀的，並且每層都是均勻彈性的，通過解三維彈性體的波動方程（ navier方程）得到地基在移動荷載作用下的波數-頻域的解，再通過快速fourier逆變換（ fft ）求得空間-時間域的解。
  20. The significance of the method was that it solved the problems of the demands of software reverse engineering, the demands of software reuse, the reliability of software, the module of software, the time span and the cost of the development

    基於微軟基礎類庫mfc （ microsofffoundationclasslibrary ）實現多線程通信程序。其意義在於恰當地解決了軟體逆向工程的需要、軟體復用、軟體可靠性、模塊化及開發時間、費用等方面的綜合要求。
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