穩定多態系統 的英文怎麼說

中文拼音 [wěndìngduōtàitǒng]
穩定多態系統 英文
stable polymorphic system
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. In order to benefit from this new technique without any dangers, on the basis of the arguable contents, the paper put forward a series of principals with the knowledge of systematical philosophy, mathematics and ecological. agriculture : welfare principal, invariable principal of gene, non - spread principal of gene, equal principal of substance and informed perfectible principal. and then we establish a model of evaluating the social effects of gmo

    為了從這種新技術成果中獲得好處,同時又不會帶來風險,本文以爭論的內容為基礎,從轉基因作物能比傳農作物帶來更的社會效益的角度出發,運用哲學、生農業和數學的一些知識,提出了轉基因作物研究和推廣中遵循的一列原則:福利原則、基因性原則、基因不擴散原則、實質等同性原則、以及知情選擇原則,並進而建立起評價具體的轉基因作物的社會效益的模型。
  2. Finally, the atomic coherent population trapping is studied in a multilevel laser - induced continuum structure system including cascade two - photon processes by means of quasi - classical theory. the condition leading to the atomic coherent population trapping and the dark state are given explicitly. the effects of atomic initial state and the laser intensity on the populations distributed in the atomic bound states are discussed

    我們還運用準經典理論研究了含級聯雙光子過程的束縛激光場誘導原子連續結構中原子布居數的相干俘獲,給出了產生相干俘獲的條件及暗的表達式,討論了原子初和激光強度對原於布居數的影響,揭示了原子相干對rydberg原子的重要作用。
  3. Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed

    本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群,施工開挖過程中和開挖后圍巖性研究這一重大課題,在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上,以目前國際工程地質界公認的最新通用軟體flac ~ ( 3d ) 2 . 0版作為基本計算工具,從整個壩區地應力場的研究開始,通過動數值模擬分析這一新的模擬思路,地研究了深切峽谷區地應力場階段的特徵和演變規律,進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵,進行了全過程動數值模擬研究,並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖性的影響。
  4. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確的特點,提出變量協調控制方案,解決了可控性差,難以實現自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制上,並闡述了動靜兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  5. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像的組成結構和數據流向進行了深入研究和分析,並對中的數據流向進行了完整的歸納和總結,給出了x線數字成像中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字設計方法,針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供個時鐘相移的信號來提高性的解決方案,從而實現利用fifo來協調各模塊之間的數據高速傳輸。
  6. In the engineering background of a suspension bridge tender project, taking the bridge and the airflow as a whole system, the effectiveness of the surface in the flutter stability of the system is studied by a multi - mode flutter analysis approach

    以某懸索橋設計方案為工程背景,把橋梁與氣流作為一,應用顫振分析方法,研究了在主梁下風側設置翼板這種控制措施對改善該顫振性的效果。
  7. Based on differential geometric theory, a novel nonlinear modulation strategy for multi - iii infeed hvdc systems to enhance the transient stability of ac system in the presence of large disturbances is presented in this paper

    針對大擾動情形,提出了一種用於改善機交直流混合電力(有條直流線路落點于其中)暫性的非線性調制策略。
  8. Therefore, its essence is damaging creature diversity, which leads to the system loss of self - maintenance, self - accommodation ability and system balance stability, finally results in the destroying of water co - system and farther intensification of environmental issues

    其本質問題是水生生物樣性的破壞,由此造成喪失自我維持、自我調節的能力與平衡的性,並最終導致水生生的破壞和環境問題的進一步加劇。
  9. From the aspect of soil characters, aggregate distribution and stability as well as aggregate stability mechanism of ferrisols were studied in this paper, which would have great importance in reducing water erosion danger, stabilizing and improving agricultural production, preserving soil resources and balancing soil ecological system

    本研究應用種方法,從團聚體性的角度,研究富鐵土對水力侵蝕的敏感性並探討其影響團聚體的物理學機制,對于減小水蝕危害、保護土壤資源、維持和提高生產率、維護土壤生平衡具有重要意義。
  10. The ecosystem health of wetland is that substance recycle and energy flow are not destroyed, elasticity and stability are retained ; system can fight against disturbance of nature and people, function of which is various

    濕地生健康是指內部的物質循環和能量流動保持正常狀對長期或突發的自然或人為擾動能保持彈性和性,整體功能表現出樣性。
  11. The tong - term tune bests of pinus yunnanensis management lead to bio - diversity decrease, diseases and insect pests damage, genetic degradation, and productivity decline

    摘要長期以來,雲南松的純林經營使得生物樣性降低、林分性變差、遺傳品質退化、林分生產力下降,從而導致生功能衰退。
  12. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立模型的過程中,提出了步廣義梯度法和層曲線擬合的建模方法,並用微分方程性理論證明了步廣度梯度法收斂性,用內積空間的有關知識對層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀空間表示法建立注水的知識庫;用人工智慧中的啟發式搜索技術和大理論中的具有全局反饋的直接協調法制注水的優化運行方案。
  13. The control of the two - stage inverted pendulum is a traditional question in the control field. the two - stage inverted pendulum system is a multivariable, highly nonlinear and absolutely unstable dynamic system

    倒立擺問題是非線性動控制中一個經典問題,倒立擺是一種非線性、變量和絕對不
  14. As the principal part of the earth land ecosystem, forest, especially the natural forest is most significant in keeping the ecological balance and the maintenance of the biology multiformity

    森林資源特別是天然林資源,是地球陸地生的主體,對于維護生物樣性和生環境的具有重要意義。
  15. Then the system can use automatic constraint violation stabilization method for differential / algebraic equations to get state, displacement, velocity, acceleration of multibody system in different time points under external force

    採用絕對坐標方法自動建立動力學方程,其形式為微分代數混合方程,即euler - lagrange方程。利用約束違約自動方法求得在外力的作用下姿、位移、速度、加速度。
  16. The extreme runoff ( very big or very small ) of watershed decreased with the landscape diversity increasing

    ( 4 )樣性高的植被景觀可降低極端徑流出現,維持流域生性。
  17. The problem of robust stability analysis for convex polytopic uncertain discrete - time systems with multiple - state delays is investigated

    摘要研究了具有重狀時滯的凸面體不確離散的魯棒性分析問題。
  18. The surplus transient energy, ( ste ), produced during the fault period is used as the quantity index to evaluate the damage degree of generator stability. the effect of gahc to the generator stability was analyzed in single machine system and multi - machine system. the results of analysis show that ste could be reduced by the gahc, the ste decrease of controlled generator would be helpful to reduce the coupled disturbance transient energy of other generators in multi - machine system

    以發電機在故障期間積累的過剩暫能量作為發電機性受到危害程度的量評價指標,在單機無窮大中對gahc提高發電機性的作用機理進行了理論分析,分析結果表明: gahc能夠加速被控機組過剩暫能量的衰減,在中被控發電機過剩暫能量的衰減將減少與之關聯的其它發電機受到的耦合暫勢能的擾動量,也就說明在中gahc在提高本地機組性的同時不會對其它發電機的性產生危害作用。
  19. Concerning the time delay systems with norm - bounded uncertainties or convex polyhedron uncertainties, the problems of robust stability criteria, the design methods of robust stabilizing controller and the design of controller that guarantee certain robust performance by state feedback or output feedback are investigated. the results can be classified as delay - independent and delay - dependent

    針對具有范數有界不確參數或凸面體不確參數的不確時滯,採用狀反饋控制器或者輸出反饋控制器,研究其魯棒性分析、魯棒鎮控制器設計以及具有魯棒性能約束的控制器設計問題,得到相應時滯無關或者時滯依賴結果。
  20. Many command input merely instruct a system to move from one steady - state condition to a second steady - state condition

    指令輸入僅僅是讓從一個轉移到另一個
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