挖空實體 的英文怎麼說
中文拼音 [wākōngshítǐ]
挖空實體
英文
hollow solid-
Such products, whose front end are equipped with swing boom device ( as picture shows ), and side - dumping bucket, can work closely to the house corner or edge, very suitable for those operations in narrow working sites, without frequent driving the machines
這種產品，在機體前部裝備了動臂側移裝置（如右圖） ，配合反轉鏟斗，機器可以近距離的靠近墻角屋邊，非常適合在狹小的空間作業，工作中無須頻繁移動機身，狹窄地帶的作業可以應對自如，從而真正實現了類似墻角等狹窄地帶的直接挖掘工作。Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed
本研究在廣泛總結前人研究成果與研究經驗的基礎上，利用空間數據挖掘和地形地貌學的基本理論，以陜北黃土高原多地貌類型區為實驗樣區，以1 10000比例尺dem為樣本數據，探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構；確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構；系統總結了dem基本地形因子的提取演算法，並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析；提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法；擴充了arcviewgis軟體平臺中dem空間分析的基本功能；實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發；完成了對黃土高原多地貌類型區（樣區）地形信息空間分異特徵的分析。Combined with the real example of monitoring pressure on the supporting system in the long span underground space of dk7 + 692 section at jiao - xin line of chongqing light railway, it is set forth the methods about choosing the support system and its parameter, digging methods of underground space, measuring and testing methods for the stress of the support system ; the testing results and variation pattern were analyzed for the stress of the initial supporting i - steel axial stress of bolt, stress of shot - concrete, supporting pressure of temporary i - steel and stress of steel of the second lining, then, the reason for deformation of the support system induced by sharp increase of i - steel was determined
摘要結合重慶市輕軌較新線大坪車站大跨度地下空間dk7 + 692斷面施工支護體應力監測的工程實例，闡述了該大跨度地下空間支護結構的參數選擇、地下空間的開挖方法、支護體結構的應力量測方法及測試手段；分析了支護體初期支護工字鋼拱應力、錨桿軸力、噴射混凝土內應力、臨時工字鋼支撐應力、二次襯砌鋼筋應力等測試結果和變化規律；確定了工字鋼拱應力急劇增大而可能引起支護體系失穩的原因。Based on a general overview of firm performance assessment theories, this study makes a comparison between traditional performance measures and strategy - oriented performance measures, analyzes the existing performance measurement system of the national aviation oil companies. the thesis has a literature review of the balanced scorecard researches and applications, expounds the advantages of the balanced scorecard over traditional measurement systems in revealing the intension of firm performance, analyzing the critical factors behind firm performance and providing information support for firm strategy, documents the relationship between the balanced scorecard and firm strategy, and puts forward the idea of strategic performance. by using the data and background information from one of those national monopoly oil companies, this study a ppraises the limits of this sort of companies " performance measurement system, applies balanced scorecard method to this kind of national monopoly oil company, designs questionnaires to collect experts " opinions, colligates the opinions, selects kpis, builds experimentally the first strategy performance assessment indicator system in this kind of company, determines the indicators " parameters, uses the real corresponding data to measure the 6 business lines of this company, through comparing the assessment result with the strategic standard, a conclusion is drawn and suggestions are put forward about how to exploit the performance potential under present conditions
在對績效測評理論進行回顧的基礎上，本文研究了傳統測評指標體系與戰略導向的測評指標體系的區別，總結了中國航空油品經營企業的績效測評現狀，對平衡計分卡理論研究和應用進行了綜述，分析了平衡計分卡在揭示績效內涵和影響績效的因素、發揮績效測評的信息作用等方面的優勢，論述了平衡計分卡與企業戰略的關系，提出了戰略績效的概念，並結合某壟斷性油品經營國有企業的實際，評述了此類企業傳統績效測評指標的局限性，借鑒平衡計分卡思路，通過設計調查問卷、收集專家意見並加以綜合分析等工作，選取關鍵績效指標，探索性地建立了中國壟斷性航油經營國企的首個企業戰略績效測評指標體系，並確定了指標有關參數，對應指標的統計口徑採用經調查獲得的測評所需數據，對該企業6個業務板塊的績效進行測評，通過對比分析得出在現有條件下如何挖掘潛力的結論和建議。Base on the practices, it was concluded that the " time - space effects " excavation method combining with the ground reinforcement could be employed to control the deflection in deep foundation pits under the top - down construction condition, and consequently to protect the neighboring facilities
在工程實踐的基礎上提出結合坑內土體加固採用時空效應法的開挖技術是逆作開挖條件下控制深基坑卸載變形，保護周邊環境和設施的有效方法。At the same time, mining engineering that is a special work that digs for a tunnel relates to the body of the mountain and the mineral resources which are all irregular 3d solid. so, it is hard to use the traditional design making visualization and computer simulation for mining engineering
同時，采礦工程是一種在山體空間進行的巖土開挖工程，該工程涉及的山體、礦藏均為不規則的三維實體，傳統的工程設計很難實現采礦工程的可視化和計算機模擬。Firstly, the notion of the form as a = > b [ s %, c % ] is researched and some algorithms are discussed. an algorithm named a progressive refinement approach to spatial data mining is discussed in detail. and a new thought of mining spatial association rule based on spatial data cube is brought forward
闡述了a = > b [ s ， c ]形式的空間關聯規則的基本概念和演算法，詳細研究了一種逐步求精的空間關聯規則挖掘演算法的實現；提出一種基於空間數據立方體的空間關聯規則挖掘的新思路；將空間統計分析引入空間關聯規則挖掘領域，研究了空間權重矩陣、空間自相關、空間關聯等的度量函數，並利用空間統計分析技術發現空間相關關系和空間關聯規則。The real - time and dynamic simulations for the excavation processes and the setting of the braces and middle beams can be achieved with this method. what ' s more, the spatial dynamic change and distribution of the internal forces, displacements and the earth pressure acted on the retaining structures can be also described by the same method. 4
該方法不僅能夠實時、動態地模擬基坑開挖全過程以及支撐和腰梁的設置，而且還能夠確定出開挖過程中支護體系內力和位移以及作用在支護結構上的土壓力的空間動態變化和分佈； 4Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed
鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上，本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序，並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段，這對指導施有積極、現實意義；提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況，指出粘土地區也應考慮時間效應，並且進一步分析了基坑邊坡土體的塑性區形成和發展，找出邊坡最不利的區域，以確定地下室土體的挖掘的方式和順序，指出憑主觀臆斷與經驗來施工是不可取的；在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同，提出了節點處理技術；分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異，並探討了解決的方法；本文還提出了環境振動對土體邊坡穩定產生影響的觀點，並分析了在環境振動影響下，土體的應力狀態及土休失穩破壞概率，並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態，指出了被監測墻體的最大應力、應變位置。( 5 ) the definitions, characteristics and all kinds of building algorithms of the voronoi diagram and the delaunay triangle are introduced. their applications in sdm are explored. that the voronoi diagram is an effective method to partition the influence regions between spatial objects and phenomena is put forward, and that the principle of building voronoi diagram is identical to the forming central place is proved
（ 5 ）系統研究了voronoi圖和delaunay三角網的定義、性質及各種建立演算法，並對它們在空間數據挖掘中的應用進行了探索性研究：提出voronoi圖是界定空間目標（現象）的空間影響范圍的一種行之有效的辦法；從理論上論證了voronoi圖的形成與城市中心地的形成是一致的，提出delaunay三角網是建立城鎮網路體系的最佳模型；研究了利用voronoi圖進行公共設施選址優化的演算法及實現。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。Consider the hugeness and the extreme complexity of first - order rule space, in order to carry out an effective search, most ilp systems have used greedy search strategy and required to explicitly present strong language bias related to the mining task, the structure feature description of first - order rules explored in mining process, to reduce the search range or is used as heuristics to guide the search
由於一階規則空間的龐大和復雜性，為了實現有效的搜索，絕大多數一階規則挖掘系統採用了貪婪的搜索策略，並需要對具體問題給出極其嚴格的語言偏向（即挖掘過程中待測規則構成的特徵描述）來縮小搜索的范圍或作為啟發知識來指導搜索過程。分享友人