近點周期 的英文怎麼說

中文拼音 [jìndiǎnzhōuqī]
近點周期 英文
anomalistic period
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  1. Ods possesses some characteristics of some characteristics and oltp systems of the data warehouse, it is the data " who faces the theme, integrates, or close to present, constantly changeably at present " because dss is peculiar : ca n ' t fully understand the demand ; the demand change is great ; implement time long cycle, but the customer demands to become effective and wait for the characteristic soon at the time of making bi systematic scheme of the enterprise layer, should consider on the issue that there is a great deal of, in a situation that the fish and bear ' s paw must hold concurrently, make the choice

    Ods （ operationaldatastore ）是數據倉庫體系結構中的一個可選部分， ods具備數據倉庫的部分特徵和oltp系統的部分特徵，它是「面向主題的、集成的、當前或接近當前的、不斷變化的」數據。由於決策支持系統特有的：不能充分了解需求；需求變動大；實施周期時間長，但客戶要求見效快等特點。在制定企業級的bi系統方案時，就會有諸多問題要考慮，在魚和熊掌不能兼得的情況下，做出選擇。
  2. The numerical computation for the secular variable of the semi - major axis, solar distance at perihelion, orbital periods and longitude of perihelion has been made for fifteen meteor streams by using the solution of gylden - meshcherckii equations

    利用g - m型變質量天體軌道根數變化方程的一階和二階解對15個流星群軌道半長軸、近日點距離、軌道周期和近日點經度因太陽質量損失造成的每世紀的長期改變效應做了數值計算，並得出計算結果。
  3. In this paper we study the single - species chemostat model with time dilay. based on [ 8 ], we analyze the hopf bifurcation of the system which take the diluton as a parameter, and we obtain that under the conditon of the existence of positive equilibrium and if the dilution is too big or too small, the system will appear hopf bifurcation

    在文[ 8 ]的基礎上，以模型中的流量為參數進行了hopf分支分析。得出了在正平衡點存在的條件下，當流量較大或較小時，系統的正平衡點附近會產生hopf分支，並應用中心流形和規范形理論給出了分支方向及分支周期解穩定性的計算公式。
  4. The incident wave height h1 / 3 is in the range from 0. 1m to 0. 25m, and the peak period tp in the range from 1. 0s to 2. 0s. the ratio of s / h1 / 3, which refers to the subface level of wharf deck ( s ) to the incident wave height ( h1 / 3 ), is between - 0. 1 and 0. 7. three different shore connecting types : open - piled, permeable slope with armored 1ayer of dolosse b locks and impermeable slope with armored layer of concrete plate, are set in the experiment for the research on the effects of boundary condition with different shore connecting types on the wave impact

    本文的物理模型試驗在大連理工大學海岸和近海工程國家重點實驗室的大波流水槽中進行，試驗中選用的隨機波靶譜為改進的jonswap譜，入射波波高h _ （ 1 / 3 ）范圍為0 . 1m 0 . 25m ，譜峰周期t _ p范圍為1 . 0s 2 . 0s ，碼頭面板的相對凈空（碼頭面板底面距離靜水面的距離s與入射波波高h _ （ 1 / 3 ）的比值）范圍為- 0 . 1 0 . 7 ，其中s / h _ （ 1 / 3 ）為負值時表示碼頭面板底面位於靜水面以下。
  5. As an effective traffic of light rail transit, it has been widely adopted by many large cities over the vorld, and a few cities of china are planning or building the light rail transit in our country, which has characteristic of saving investment, short construction period, high flexibility and low life - cycle costs for the light rail transit which can be constructed underground or high frame in crucial area, which can be suitable for the requirements of large capacity, high speed, safety and punctuality

    輕軌交通便是其中一種有效的交通方式，近幾年來在世界上各國大城市得到迅速發展，我國也有十幾座城市計劃或正在建設輕軌交通。其具有投資少、建設周期短、靈活性強、運行成本低的特點，可在關鍵地段和市中心區採用高架或地下鐵道結構，使其能運量大、速度快、安全、準點。
  6. Its sedimentary type has the characteristics of both the stable deposit of gondwana continent and the low energy deposit under coastal conditions, and mainly consists of a set of tidal - flat sedimentary assemblage whose sedimentary environment is related to short - period and small - scale inshore glacier activities

    其沉積類型既有岡瓦納大陸穩定沉積特點，又有濱岸條件下的低能沉積特徵，主要為一套潮坪沉積組合，其沉積環境與短周期小規模近岸冰川活動有關。
  7. The defect of this method is that the virtual value will lag the instantaneous value about one cycle. this event result in the virtual value is not exact

    這種方法的缺點是有效值的求取要滯后瞬時值將近一個周期，使得有效值的求取並不準確。
  8. The quantum dots are considered as pyramid shape approximately, therefore the dittraction of dots is considered as diffraction from triangle. the transverse period is obtained using the transform of fourier. the trustiness of this modal is showed through comparing with the result come from triple - axis diffraction formula and result of stm

    將量于點近似看成金字塔狀，從而量于點的衍射可以看成三角形衍射，利用三角型的傅立葉變換，求得量于點的橫向周訕，與三9m力射結果及盯m求得量于點的橫向周期一致，說明本模型的可靠性。
  9. The paper ’ s main works are as follow : ( 1 ) several methods of getting pitch period are researched in details. according to the real - time demand for the systems, the methods for pitch searching are simplified as follow : after searching the peak value point every third point within pitch range, search the peak value point every point near the current peak value point

    （ 1 ）研究了基音周期的求取方法，並根據系統的實時要求，將逐點搜索基音周期的方法簡化為粗細法，即在基音周期范圍內隔點搜索相關函數最大峰值點，然後在此時得到的最大峰值點附近繼續搜索，將最後得到的峰值點作為基音周期值。
  10. The rapid advances of laser technology in the past few decades have made the production of extremely short laser pulses, containing only a few, even only one or nearly one, cycles of optical oscillations, which led to many new questions

    隨著激光技術的快速發展，實驗中已經可以得到接近光學振蕩周期的超短激光脈沖。此類脈沖的時間和空間部分在傳輸過程中會相互耦合、相互影響，從而帶來一系列的新的傳輸效應，成為當今激光領域的一個研究熱點。
  11. Abstract : techniques of apple genetic transformation can improve apple trees and shorten the breeding cycle by molecular methods. in the last years, great progress has been made in this field, which involves a number of important apple genotypes developed. so far, apple genetic ransformation mainly adopts agrobacterium - mediated technique, involving infection and transgenic tissue regeneration, which are important steps to affect the transformation efficiency. the initial work to the date is to know and to search for the factors which can increase the efficiency

    摘要蘋果的遺傳轉化技術通過分子手段改良蘋果，有助於縮短其育種周期.最近十年，在該領域的研究取得很大進展，涉及到一些重要的蘋果基因型及有用的外源基因.迄今，蘋果的遺傳轉化主要採用農桿菌介導法，侵染與轉化材料的再生是影響其轉化效率的關鍵過程，了解其影響因素，尋找有利因素以提高轉化效率是目前蘋果遺傳轉化研究的重點。
  12. The results show that the solar mass - loss extends the semi - major axis, the distance at perihelion and orbital periods of the meteor streams, especially, the extensive influence on the semi - major axis is not overlooked, but this influence on other orbital elements may be neglected

    其計算結果表明，太陽質量損失使流星群軌道半長軸每世紀的改變效應較明顯，它們同太陽距離的擴大影響值得關注，但對軌道周期的拉長每世紀的影響甚小，對近日點經度只有量級變化小到可以略而不計。
  13. Until recently, scientists had to examine the dots on each slide by eye to decide whether the gene is active - a process which could take months

    直到最近，科學家都還是用肉眼去查看每張玻片上的點以確定這些基因是否有活性。這樣，每個檢測周期大約要花上幾個月。
  14. To make our network more realistic for analyzing an extended period of operation we will create a time pattern that makes demands at the nodes vary in a periodic way over the course of a day

    為使網路更接近於分析操作的外延周期，我們要創建一個時間模板，讓節點按每天的歷程周期變化。
  15. The results show that, when and 02 are in various intervals, the trajectories for systems ( i ) are either ultimately periodic or convergent to an equilibrium. the difference between system ( i ) and system ( ii ) only lies on the sign of self - feedback coefficient, but their asymptotic behavior of trajectories are much different. for the given initial value, the solutions for system ( ii ) all converge to the certain equilibrium

    結果表明：當_ 1和_ 2在不同的取值范圍內，系統（ ）的解或收斂到某一平衡點，或無限逼近於某個周期解，且部分_ 1 ， _ 2下的極限環全局穩定；系統（ ）與系統（ ）的區別僅在於自反饋系數的符號為負，但由此其解軌線的極限性態發生了很大的變化，對于確定的初值，系統（ ）的解均收斂到確定的平衡點。
  16. Recently, many interesting stability criteria for the equilibriums and / or periodic solutions of delayed neural networks have been derived via lyapunov - type function / functional approaches. this thesis mainly focuses on the local and global / exponential stability for several delayed neural networks

    尤其是時滯神經網路平衡點和周期解的穩定性（包括漸近穩定性、指數穩定性、絕對穩定性等）得到了深入的研究，也出現了一系列深刻的結果。
  17. The result indicated that the stress distribution shows the same cycle period at the same circumference of a circle ; the position of the biggest stress points are near the inner contact point

    結果表明，無論是軸還是輪轂，其應力分佈在同一圓周上呈現與邊數相同的周期，最大應力點的位置均在接觸點附近靠內側處。
  18. Speaking from its outline, shallow and deep color existing alternately is the direct reason why the bands emerged, while the periodical change of the total fe content in the sapphire is the foundmental reason ; in the same band of the same sapphire, the total fe content is nearly the same, so in this sense any spot can respresent the whole band in which the spot lies ; in one sapphire, the deep - color band must contain the higher fe than the shallow one ; the sapphire which exists bands must have a black or a dark blue core, where the fe content is usually higher than other bands. 2

    研究表明，山東昌樂的藍寶石普遍發育環帶，從外觀上講，藍寶石中深淺色度的交替出現是出現環帶的直接原因，而總fe含量的近周期性變化是形成藍寶石環帶的根本原因；同一藍寶石的同一環帶，其總fe的含量幾乎相同，所以該環帶上的任何一個成分點都可以代表整條環帶的成分；同一藍寶石的不同環帶，顏色越深，含fe越高，顏色越淺，含fe則越低；凡出現環帶的藍寶石，其核部總是深黑色或者藍黑色，而其含鐵量一般都比其它部位高。
  19. Through the analysis, it is shown that : 1, while fabricating the grating, the principle of selecting the parameters is : the period should be as large as possible, the etching depth should be small and filling factor should approach to 0. 25. 2, if selecting the parameter combine the selecting principle and the requirement of concrete application, the space of selecting the parameter should be larger than before. 3, while the period to. 4a, the surface profile has no effect on the reflectivity

    通過分析發現： 1 、在製作有一定特性的光柵時，光柵參數的選擇原則為：周期的取值應盡量的大，刻蝕深度的取值應盡量的小，占空比的取值應盡量靠近f = 0 . 25 ； 2 、以參數的選擇原則結合製作的具體應用要求宋選擇光柵的參數，則各個參數的優化空間更大； 3 、當光柵的周期t 0 . 4時，表面面形對反射率沒有影響； 4 、運用臨界周期點隨折射率的變化規律，可以避免由於選擇光柵周期過大而出現一級衍射，從而導致製作失敗。
  20. The approach we use for the former is similar to the one for linear sampled - data systems because the exact discrete - time model just coincides a state of the continuous - time plant at sampling instants

    第六部分:首先研究可容許采樣周期的上界t 』的存在性及其估計，指出t 』實際上是近似離散化閉環系統的一個奇異點
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