two-level scheme 中文意思是什麼
two-level scheme
解釋
雙級方案-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。 -
Design of an integrated scheduling two - level scheme for real - time system
實時操作系統集成調度的兩級方案設計 -
The result of the two experiments implied that the correcting scheme of combined eof reached the level of operation. it is valuable greatly for climate prediction
訂正試驗、預測試驗的結果說明聯合自然正交展開訂正方案已經達到實際業務應用的水平，這對于氣候的跨年度預測，尤其是對enso預測有十分重要的應用價值。 -
Because the system error is ineluctable for mode, it is necessary to correct the simulation fielde effectively. in this paper, based on the idea of combined eof correction, the interannual simulation of sea surface wind stress anomalies of the tropical pacific ocean by lap two - level atmosphereic model have been corrected, result of corrected erperiment shows that the corrected field is more similar to the observation field, especially on the distribution of the space. three prediction experiments also shew that correcting scheme of combined eof can improve the interannual prediction veracity of model
在本文中，基於「聯合自然正交展開誤差訂正」的思想，將中科院大氣物理研究所兩層大氣環流模式輸出的熱帶太平洋海表風應力異常的跨年度模擬場進行訂正，訂正試驗的分析結果表明，訂正後的熱帶太平洋海表風應力距平場與相應觀測場年際變率分量的相似程度遠遠好於模式模擬的結果，尤其是在空間分佈方面的改善非常顯著；三組跨年度訂正檢驗結果也表明，訂正後的跨年度預測結果明顯好於模式的預測結果。 -
Chapter two ascertains main technological factor of dong gou lock reconstructing, including forecast the cargo and volume through the lock to reason about representative type of vessel designed for through the lock and its operation organize. chapter three design the renovate engineering through ascertaining the main technological factor scale of the lock, dimension, designed water level and altitude, including design of structure of the lock, lock chamber and lock gate, and select the main technological factor and pattern of headstock gear. chapter four draws a comprehensive compare of the two design scheme of the renovate project with engineering project economy evaluation method, and makes out the recommended scheme, and furthermore, to calculate the economic evaluation index of the recommended scheme and makes the economic sensitivity analysis of the scheme and finally demonstrate economic feasibility of the scheme
本論文共分四章：第一章主要介紹了原東溝船閘的地理位置和營運現狀，說明了船閘在航道建設和水資源綜合利用中的作用及東溝船閘改造的必要性；第二章東溝船閘改造的主要技術因素確定其中包括東溝船閘過閘貨種和貨運量發展的預測，並確定東溝船閘的設計代表船型及營運組織；第三章東溝船閘改造工程設計本章通過船閘改造工程主要技術參數：船閘規模、尺度、設計水位和高程等的確定，設計了二個船閘改造方案，包括鋼筋混凝土整體塢式閘首結構、閘室和閘門的設計，並選定了啟閉機的主要技術參數和型式；第四章採用了工程項目經濟評估方法對東溝船閘改造工程二個設計方案進行全面綜合比較后，確定了推薦方案。 -
Therefore it can support the reuse of higher level of gis component. aiming at the two key technology in gis rcl ? ? classification and searching, the paper discussed emphatically : based on the faceted classification scheme, gis ' s spatial geographic speciality, the integrating speciality of spatial attribute and non - spatial attribute, and requirement of interaction, the paper introduces gis components " classification system. the faceted classification scheme is < level, function, object, style >
論文針對gis組件庫的兩個關鍵技術? ?分類和查詢進行了重點討論：基於組件刻面分類策略並結合gis的空間地理特性和空間屬性與非空間屬性相結合的特性和對互操作的需求建立了適合gis要求的gis組件分類體系，對gis組件提出了的刻面分類模式。 -
And the primary and secondary relation of the factors and the optimum level of every factor were obtained as well as the best scheme of structure design in the research condition. regression equal between traction resistance and partial sphere height, bottom circle radium was set up to explore the effect of two evident factors ( height and bottom circle radium of the partial sphere ) on traction resistance by optimum calculation
採用二次回歸試驗設計的方法，建立了球冠高度和球冠底圓半徑大小與牽引阻力間的回歸方程，進行了優化計算，進一步考察了球冠高度和球冠底圓半徑大小兩個顯著性因素對牽引阻力的影響規律。 -
Then, the thesis presents a schema based two - level associated model, which dramatically reduces the number of the candidate subscriptions. in addition, an incremental subscription matching algorithm is proposed to efficiently matching events for millions subscriptions. furthermore, since indexing is very important to the system, the indexing scheme for xml data is defined based on the containment relationship, which can be more efficient to deal with relative paths than previous methods
另外，由於在意向匹配過程中涉及大量索引問題，為此針對先前研究在處理基於相對路徑的意向表示上存在的問題，本文提出了一種基於相容關系的索引模式，利用系統抽象數據拓撲結構進行相對路徑到絕對路徑的轉換，通過基於相容關系的數字方式編碼，能夠快速確定對應結點的依賴關系，同時提出了新的路徑轉換演算法，將時間復雜度由過去的平方時間變為線性。 -
( 3 ). put forward two structure scheme of opto - electronic deflection measurement sensor, light transmitting with non - mechanical scanning and light reflecting with non - mechanical scanning after compared exisiting methods of liquid level measurement to satify this needafter the comparison, an opto - electronic deflection measurement sensor based on light reflecting with non - mechanical scanning be confirmed. then the concrete design is to carry out, which includes the design of reflective surface, the design of pds ( photo detective subassembly ) ' s bracket, the design of floater and the design of shaking - absorbed accessory. during the process, there are a series of caculations and emulations. at last, the opto - electronic deflection measurement sensor has been designed and produced
比較了現有液位測量方法后提出了能夠滿足大佛寺長江大橋撓度測量要求的基於連通管的光電撓度計的非機械掃描光透射式和非機械掃描光反射式的兩種方案，通過比較確定了非機械掃描光反射式方案。隨后通過對該方案進行具體的零件設計，主要包括反射面的設計， pds （光電接收組件）支架的設計，浮子的設計以及減震零件的設計等等，在設計的過程中包含了一些理論計算和模擬，最終設計和製作了光電撓度計。 -
This thesis presents the high resolution numerical simulation methods for multi - fluid dynamics. the main contents include three parts : the first is a set of interface capturing equations deduced to describe the interface evolution, which is suitable for constructing two - order enhanced un - split finite volume scheme and three - order parabolic - piecewise - method ( ppm ) scheme in euler coordinate ; the second is the capabilities of level - set method for tracking multi - fluid interfaces are unproved ; the third is that the computational resolutions are much more advanced by improving adaptive mesh refinement ( amr ) technique
主要研究目的是獲得多介質流體流動的高精度數值模擬方法，主要內容包括界面捕捉方程的推導，適用於euler坐標系的增強型二階精度非維數分裂有限體積計算格式和三階精度ppm格式構造，以及發展改進levelset方法提高捕捉流體界面的能力，發展改進網格自適應技術提高各類方程解的計算精度。 -
A two - stage hybrid scheme is proposedbased on the criteria that decreasing mode nuinber reasonably and different attention shouldbe given to different class control variables, i. e., at the begirming stage, a larger granu1arity isused to make ga searching the area contaning optimal sollltion with less generation. thehybrid scheme of binary and integer code distinguished by voltage level is of clear levelconception thus can search the high voltage control variables more carefully. crossover andmutation of ga are also refined on the basis of above scheme
並從合理減少模式數以及對不同變量給予不同程度關注的原則出發，提出了兩階段分層混合編碼方案：在遺傳演算法的開始階段，用較粗的粒度編碼，使遺傳演算法能夠用較少的迭代次數快速搜索到最優解所在的區域；按電壓等級分層的二進制和十進制混合編碼，具有清晰的層次概念，對那些影響較大的高壓網控制變量能夠有針對性地以更高的精度進行搜索。 -
A feasible scheme was put forward for the change in the water level limit in flood season to perfectly combine the reservoir ' s two roles in irrigation and flood control, making good use of the limited water resources and providing an effective way to relieve the scarcity of water resources in northwest china
針對水庫汛期汛限水位的變化提出了可行性方案，較好的使水庫的興利和防洪兩大任務相結合，以達到充分利用有限水資源的目的，為緩解西北地區水資源缺乏現狀提供了有效的解決途徑。 -
The four - bedroom two en suite sky house has a gross interior area of 1, 825 sq ft. the two - level layout is spacious and functional, with french windows throughout offering 180 - degree views of the ting kau and tsing ma bridges. the gold, brown and black interior colour scheme typifies luxury living. the living room has an extra - high ceiling, distinctive chandelier and a skylight that admits natural light during the day and glittering stars when night falls
客廳的特色吊燈，份外映襯特高樓底的偌大空間感，輕松寫意而客廳悉心設計的天窗，為區內獨有，日間可收納天然日光，增添一室明亮，晚上可觀賞點點繁星，份外心動醉人于私人平臺花園及天臺可無拘無束地遠眺無邊景緻，必定是繁忙都市人夢寐以求的悠閑時刻。 -
Secondly, to improve the hmmsearch ’ s parallel scalability, a new two - level parallel algorithm based on sequence partition strategy is presented, which is a dynamic load balancing scheme. by introducing the intermediate layer, a new “ master - submaster - slave ” structure is better than the “ master - slave ” structure in parallel scalability
為了提高hmmsearch的可擴展性，本文提出一種基於序列劃分策略的兩級并行演算法，採用動態負載平衡方案，通過增加中間層形成「 master - submaster - slave 」結構，來改善原「 master ? slave 」結構的不足。 -
Two 3 - frames - grained scheduling policies are suggested to make good trade - off between processing demands and on - chip buffer demands in software decoding implementation. a static time division multiplexed scheduling / dynamic fixed priority arbitration based 2 - level hybrid arbitration scheme, incorporated with synchronization control, is introduced in this paper to utilize the bus bandwidth effectively and lower on - chip buffer demands in media soc
提出了一種基於靜態分時復用調度動態固定優先級仲裁的混合二級總線仲裁策略，通過分割總線時間片靜態調度媒體數據流dma傳輸，使之與解碼流程同步配合，有效地分配和使用總線帶寬，降低了片上數據緩存等硬體開銷。 -
To the issues that ipsec ca n ' t work with nat and multicast very smoothly and ipsec could n ' t also solve qos problem, combined with the national high - tech project of 863, the author has put forward the following viewpoints in the research of the security architecture model of ip layer : as to ipsec ' s working with nat, the author has proposed a scheme of using udp encapsulation along with configuring ipsec tunnel by dhcp and substituting ah with esp null encapsulation ; as to ipsec ' s working with the multicast, the author has proposed that combined with key management using complete binary tree, ipsec security process using espv3 and ahv2 can cooperate with multicast smoothly in multicast environments ; as to solving qos, the author has proposed a scheme of using two - level classifying and two - level scheduling with encryption scheduler and forwarding scheduler. the author has pointed out that combining ipsec with pki can make ipsec more flexible and more practical. based on the previous researches, the author has made an analysis of security risks of ip layer
在ip層安全體系結構模型研究中，針對ipsec在與組播、 nat協同工作等方面存在的問題以及ipsec不能很好解決qos等方面的問題，作者結合國家863高技術項目的研究提出了解決方案：在nat協同工作方面作者提出了採用udp封裝、配合使用dhcp配置ipsec隧道並用espnull封裝代替ah的方案；在與組播協同工作方面作者提出了基於espv3和ahv2的ipsec組播安全處理以及基於完全二又樹的組播密鑰管理的方案；在解決qos問題方面作者提出了採用分類器1和分類器2的兩級分類以及具有加密調度器和轉發調度器的兩級調度的技術方案；同時作者提出了ipsec與pki技術緊密結合，能使ipsec安全通信更加靈活和方便實用。 -
In this paper, two important modifications in dct - based coding algorithm are suggested after making deep study on the generally used scheme of h. 263 coder. first, we find plenty of invalid computation in the transformation part of the h. 263 coder and an improved scheme based on the pre - transform decision to avoid invalid computation is proposed. second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences, and we suggest a new search algorithm which has variable search region based on the difference of motion level. combining the pre - transform decision scheme with variable search region method in motion estimation, a global decision coding scheme is provided, which greatly increases the coding speed of h. 263 coder
本文對h . 263編碼演算法的現有實現方法作了深入的分析，首先發現變換部分存在大量無效運算，提出了在變換前加判決的前變換判決的編碼方案，以壓縮無效的變換運算；其次發現運動估計部分由於忽略了圖像場景的分級運動而存在一定的無效搜索運算，提出了基於分級運動的可變搜索域法來壓縮無效的搜索運算；最後將前變換判決方案與運動估計的可變搜索域法有機地結合在一起，提出了全局判決編碼方案，從而比較全面地改進了現有實現方法，因而能大幅度地提高編碼器的編碼速度 -
In chapter ii, a scheme for probabilistic teleporting unknown quantum pure state of two 2 - level particles state of general formation by partly pure entangled four - particle states is proposed
在第二章，我們用一個部分糾纏的四粒子糾纏純態為量子通道，實現了對二能級二粒子一般態的概率傳輸。 -
Next, a two - level spreading - despreading scheme is proposed, and the go sequences are applied to the forward link of a multi - cell cdma system in this thesis
接著，本文提出了一種兩級擴頻方案並探討了廣義正交序列在多小區cdma蜂窩系統下行鏈路中的應用。 -
This thesis is divided into two parts, the first part is the design of the correcting scheme of combined eof for wind stress anomalies simulation field on surface of tropical pacific of lap general circulation model. the second part is. the correcting and exam of the tropical pacific wind stress anomalies for two - level general circulation model
本論文分為兩部分：第一部分為針對iap兩層大氣環流模式輸出的熱帶太平洋海表風應力異常的模擬場設計的誤差訂正方案，第二部分為對熱帶太平洋海表風應力異常的模擬場進行訂正試驗及訂正檢驗。
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