計算環數 的英文怎麼說
中文拼音 [jìsuànhuánshǔ]
計算環數
英文
score a target- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 數 : 數副詞(屢次) frequently; repeatedly
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
-
On the basis of the sprinkler systems " ringed arrangements, fem is used to build mathematic model of sprinkler systems. the mathematic model applies to both the ringer arrangements and the ramiform arrangements. vb6. 0 is used to compile caculation program, and a practical engineering use it to caculate
在自噴系統環狀布置的基礎上,採用有限單元法建立了同時適用與枝狀管網和環狀管網的自噴系統水力計算的數學模型,採用vb6 . 0編寫計算程序,並用該程序對一示例工程進行實際應用。Abstract : according to the related principle of forming precision andmicrostructure on the condition of deformation and thermodynamic parameters, hot forming process control of large forgings, such as retaining rings and crand - shafts, is investigated by means of computer simulation combined with thermodynamic and micro - simulation in this paper
文摘:本文採用熱力模擬、微觀模擬和計算機數值模擬相結合的模擬技術,根據變形條件、熱力參數與成形精度和組織結構的相關性原理,以護環、曲軸大鍛件為例,進行了熱成形可控性的研究。In any grid computing environment, you have data nodes and computation nodes
在任何網格計算環境中,都有數據節點和計算節點。A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高Since 90 ' s, with the rapid development in mobile communication technology and internet technology, and extensive application in mobile computer, make many mobile nodes be able to build up connections with network in the mobile process freely
在移動計算環境中,網路具有非對稱性和頻繁斷接性,根據網路的這種特性可以由服務器把大量熱點數據組織起來,以周期性的廣播提供給移動客戶。The synchronization and replication is also an essential technology of mobile database. comparing trade distributed database environment, mobile computing environment has characteristics of high frequency disconnection, network condition diversity, network communications dissymmetry and so on
移動計算環境與傳統的分散式計算環境相比有頻繁的斷接性、網路條件的多樣性以及網路通信的非對稱性等特點,這些特點使得傳統的分散式數據庫技術不能有效支持移動計算環境。It contains such modules as data gathering, data memory, keyboard scanning, displaying output and communication module. it can gather, reserve, display, and scan the data at several time data memory instrument can transfer the data from several portable measuring instruments to computer. data management system can output look up statistic and print the data
系統主要由數據採集模塊、數據存儲模塊、鍵盤掃描模塊、輸出顯示模塊和通訊模塊組成,能定時完成環境參數的採集、存儲、顯示瀏覽等功能;數據轉存器能完成將多臺數據轉存器的數據轉存於計算機;數據管理系統軟體能實現環境參數的顯示、查詢、統計和列印等功能。Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume
推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組,並同時考慮時間因素和空間變位對波面勢函數的影響,在預設的計算精度下,通過時步內的循環迭代逐一確定每個時步上的波面運動位置,從而建立了一種可適于求解強非線性波浪變形計算的數值模式。This system makes people fell convenient in looking for data, try my best to our environment protection. the following problems and related solutions are given in this paper : data structure suitable for web computing multi - user access and concurrent control mechanism in webgis network protocol and intelligent information agent of spatial information spatial information security in web computing environment web integration strategy of spatial information based on metadata architecture of webgis at last, the development trend of webgis is discussed
通過論文工作提出了以下幾個問題並給出了相應的解決方案適合web計算的數據模型webgis中的多用戶訪問與並發控制機制空間信息的網路計算策略與實施方案及關鍵演算法空間信息的網路傳輸協議與智能空間信息代理web計算環境下的空間信息安全性問題基於metadata的空間信息web集成方案與智能空間搜索引擎webgis體系結構最後,論文對webgis發展趨勢進行了探討。Abstract : a optimum design method in which the optimum shapes and dimension of cross sections are selected to minimize the structural volume and get the global optimum solution, is presented first by means of the method of the genetical gorithm. the numerical results show that the model is valid
文摘:利用遺傳演算法,首次提出「取剛架截面形狀和尺寸規格為設計變量,結構體積為目標函數,求全局最優解」這一優化模型.通過對各個計算環節的研究,確立了可行的計算方法,編制計算程序,並以算例證明該方法的有效性The advancement of mobile database system meets the requirement of data process in mobile computing environment
移動數據庫是為了適應移動計算環境下的數據存取需求而產生和發展起來的。By using the bifurcation theory of planar dynamical systems and the method of detection functions, this paper gives a configuration of limit cycles forming compound eyes. with the help of numerical analysis ( using maple ), it is shown that there exist parameter groups such that a polynomial vector field of degree 7 has at least 49 limit cycles with z8 - symmetry
然後,利用平面動力系統的分支理論以及判定函數法,考慮z _ 8 -等變的擾動hamilton向量場,在計算機數學軟體( maple )的幫助下,我們得到結論: 8次平面向量場至少有49個極限環,形成具有z _ 8 -對稱性的極限環分佈。On the design of the instrument software, because the computer data process system of the first and second kinds of products run in the dos environment, which is written by the language of the basic. it is proved in the dos environment that data is processed slowly, man - machine interface is n ' t friend and operation is n ' t convenient. what ' s more, the code of program written by the basic is changed easily by accident by user, which does n ' t adapt to production and commodity of the instrument. therefore, we have developed with visual c + + language a suit of data process soft system supported by windows 95 / windows 98 / windows nt in the third kind of the sample instrument. the developed software system has good reliability, friendly user interface and convenient operation
另外為了進一步擴大儀器的測量范圍,我們將第三代產品的使用擴展到對各種液體表面張力的測試,並進行kd -型樣機的製作,以供第三軍醫大學燒傷研究所作人和動物呼吸道燒傷的實驗研究。在儀器的硬體設計方面,我們力求做到結構緊湊,性能穩定,重復性好,且成本低廉。在儀器的軟體設計方面,由於第一和第二代產品的計算機數據處理系統是運行在dos環境下,用basic語言編寫的程序。Aimed at the two nodus : the mapping of heterogeneous data ; and the realization of conflict disposed mechanism, we introduced basic conceptions ; general technology, study out a method to realize the synchronization of data in those heterogeneous database based on mobile computing environment
針對數據同步技術的兩大要點難點:異構數據的映射問題和沖突處理機制的實現,在簡介其基本概念和常用技術后,擬定出基於移動計算環境下異構數據庫數據同步實現的解決思路。In this paper, the broadcast - based spatial query processing methods are presented for the location - based services
在這種無線計算環境下,數據廣播方式是發布空間數據對象支持空間查詢處理的有效方法。The conventional mainframe computers transfer their computing tasks and data processing to distributed network computing environment. the kind of transfer can improve the computing capability of workstation and reduce cost. and at the same time job management system can provide a whole solution about how to use the distributed and heterogeneous computer network to shape the consistent network - computing environment
傳統大型計算機的客戶都紛紛將自己的計算業務和數據處理轉到分散式網路計算環境之中,這種轉向無疑增強了工作站的計算能力,降低了成本,同時作業管理系統又解決了如何使分佈和異構計算機網路形成協調一致的網路計算環境問題。The physico - chemical indexes were measured and the environmental qualitative compositive index ( pi ) and the chemical evaluational index ( pb / n ) were calculated to evaluate the water quality of this inner river
通過理化指標的測定、計算環境質量綜合指數( pi )及化學評價指數( pb n )對內河水質進行評價。The order of our discussions " about these tasks is as follows : firstly, we pay more attention to the characteristics and difficulties of its environment including the concept, typical system model, main challenges, mobile network connection and soft application. secondly, according to mobile specialties of the environment we make the sort of data into four kinds : general data, time series, spatial data and time - spatial data, and present general processing of data mining. lastly, we discuss the methods of data mining of these four kinds respectively : after the introduction of the actuality of data mining of every kind, an algorithm of rule updating based on rough set is given, then put forward the processing of data related to mobile users and flow chat according to characteristics of the other three kinds
本文對以上任務的討論順序安排如下:首先是對移動計算環境的技術特點和難點進行討論,包括移動計算的概念和典型系統模型、主要挑戰、移動聯網以及軟體應用這幾個大的方面;其次根據移動環境的移動特性把移動計算環境中的數據分為普通數據,時間數據,空間數據以及時空數據,提出了在移動計算環境中數據挖掘的一般流程;接下來分別對這四類數據進行挖掘演算法的討論:每一部分都是先介紹該類數據的挖掘方法研究現狀,對于普通數據,針對我們已提出的一種挖掘演算法-粗糙集演算法( rs ) ,提出了對應的規則更新演算法,對於後三種數據,本人根據其在移動計算環境中的特點分別提出了與移動用戶相關的該類數據的一種具體的處理方法和演算法流程圖,包括基於移位連接方法的多屬性時間序列的挖掘演算法,基於apriori演算法的空間關聯規則數據挖掘方法以及關于移動用戶移動模式的時空數據挖掘方法,並用matlab對其中的規則更新演算法和時間序列的挖掘演算法這兩方面進行了實例模擬。Odbc is the database portion of the microsoft windows open services architecture wosa, which is an interface that allows windows - based desktop applications to connect to multiple computing environments without rewriting the application for each platform
Odbc是microsoft windows開放式服務體系結構( wosa )中的數據庫部分。 wosa是一種介面,允許基於windows的桌面應用程序連接到多種計算環境,而不用為每個平臺重寫應用程序。With the development of computer technology and network technology, the distributed parallel computation environment that based on network become a new high performance calculation environment because of its high cost performance and big range, large quantity heterogeneous cluster system parallel computation
隨著計算機技術和網路技術的發展,以網路為基礎的分散式并行計算環境以其較高的性能價格比和大范圍、大數量異構機群并行成為新的高性能計算環境。分享友人