md model 中文意思是什麼
md model
解釋
莫代爾-
Based on the development of " modeling design of mechanical kinematics scheme ( md - mks ) system based on feature function ", the dissertation mainly focuses on the application of module design methods used in the mechanical kinematics scheme. with the use of cad technology and database management theory, the function model design and the management of model database are carried out
本文結合「基於功能特徵機構運動模塊化設計系統」的開發，著重對現代設計方法學在機構運動方案設計上的應用進行了研究，通過藉助cad技術和數據庫管理原理實現了功能模塊設計、功能模塊數據庫管理、模塊組合設計、運動方案評價等系統功能。 -
The distributions of the local density, thickness, temperature, tangential and normal stress and surface tension were acquired by the study of liquid - vapor interface. these simulated data agree well with corresponding experimental data and the md simulation results from other authors, consequently it is proved that the model and simulation method in the paper are correct
對汽液界面進行了分子動力學研究，獲得了汽液界面局域的密度、厚度、溫度、切向應力和法向應力以及表面張力的分佈，並把這些數據與相應的實驗數據和其他作者的模擬結果相比較，吻合較好，從而證明了本文所採用的模擬方法和模擬模型是正確的。 -
In this paper, first, i present a new model of vrp and a heuristic algorithm of it. then, i have proofed that on the distance constrained vrp, any polynomial time heuristic h for mv, we have kh / kv > 2 ; and i give a dynamic programming recursion heuristic of md. furthermore, i study some stochastic vehicle routing problem also
並證明了在距離約束的vrp情形下對于目標函數mv （車輛數最小） ，其任一有多項式時間的啟發式演算法h得到的車輛數目k ~ h和最優車輛數目k ~ v滿足關系k ~ h k ~ v 2 ，我們還給出了md （總距離最小）的一個動態規劃演算法。 -
Client - side parsing algorithm is designed and implemented to parse md dataset, which is encapsulated with xml on server - side. in order to store and access md dataset, dynamic - depth tree model for md dataset is designed and implemented
包括有：客戶端多維數據解析演算法的設計與實現；設計並實現了一種動態深度的多維數據樹用於客戶端多維數據的存儲和訪問。 -
1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart
本文首先概述了蜂窩數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，並在此基礎上，重點敘述了以下方面的工作： 1 ）設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能，包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸，並進行適當的流控； 2 ）建立測試模型測試移動數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，使用戶可以根據需要發送短消息或連續的偽隨機比特流； 4 ）在tms320c54x的軟體、硬體模擬平臺上，建立了cdpd試驗模型，實現了cdpd系統的mdlp基本功能。 -
The best qualitative results indicated that rvpcs model with md grouping scheme reached a discrimination rate of 100 % with 1 % accuracy in the randomly assigned background constituents of the same prescription, and rvpcs model with rs grouping scheme gave a discrimination rate of 86 % ~ 96 % with 2 % accuracy in the randomly assigned background constituents of 4 mixed prescriptions
四種處方之不同背景混合處方分析中，以主成份空間之殘差變異定性模式搭配隨機分組方式，可達到86 % ~ 96 %之辨識成功率，並具有2 %之微量檢測精度。 -
Because of the shortcomings of the classical rough sets model such as the sensitive to noise often encountered in many real - world applications, the dissertation presents a variable precision and md relation rough sets model from the perspective of rough membership function and micro - difference. not only can the vp - md model overcome the shortcomings of the classical model, but also is consistent with the statistics. this model can extend the application scopes of rough sets and enhance its adaptability
本文從對象的不可分辨關系出發，討論了信息系統的經典粗糙集模型，並針對經典粗糙集模型存在的對噪音敏感等缺陷，提出了基於隸屬度和微差距離的可變精度微差關系（ vp - md ）模型，該模型不僅能夠處理含有噪音的不完全信息系統，其結果也能反映大量數據所滿足的統計規律，使粗糙集理論的應用范圍更廣、適應性更強。 -
The dissertation suggests a series of algorithms to compute the sets and numeric data based on the vp - md model. to obtain the minimal reduction of attributes and the minimal reduction of values, the dissertation provides a csbark algorithm based on the context sensitivity ( cs ) of attributes and a minimal rules set algorithm based on value core
本文研究了基於vp - md模型計算粗糙集理論所涉及的數字量和集合量方法，並針對最小屬性約簡和最小值約簡這兩個np問題提出了基於屬性上下文敏感度的啟發式屬性約簡演算法? csbark演算法和基於值核的最小規則集求解演算法。 -
Comparatively, the molecular dynamic ( md ) can overcome these shortcomings and can be applied in the research of adsorption in the nanopores. this study mainly includes two parts, one is the study on adsorption equilibrium in cylindrical nanopores, and the other is that on the adsorption in carbon - nanotubes. in the first part, a new potential model is introduced, and the isotherms for different nano - pore diameters are obtained
對于不考慮固體壁面分子結構的圓柱形納米微孔的平衡吸附，建立了包括勢緩沖區在內的單元體模型，引入了表示整個微孔壁面與吸附質分子相互作用的新型壁面勢方程，並對3 - 5nm孔徑圓柱型微孔中的平衡吸附進行md模擬，得到了在不同汽相壓力下的分子位形圖譜及相應的吸附等溫線並對其進行了分析。
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