data set definition 中文意思是什麼

data set definition 解釋
數據集定義
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • set : SET ＝safe electronic transaction 安全電子交易〈指用信用卡通過因特網支付款項的商業交易〉。n 【埃...
  • definition : n. 1. 限定。2. 定義，界說。3. 明確。4. （透鏡的）明晰度。5. （收音機的）清晰度。6. （印花）輪廓。
  1. Following is the primary work and contributions of this thesis. first, the concepts about data lineage tracing are completed and refined, and the formal definition of derivation set and supplementary set are provided. these definitions form the basis for derivation set tracing

    本文的主要工作與創新有以下幾個方面：作者首先對與數據志相關的概念進行了完善和細化，給出了起源集的形式化定義，並提出了補集無關和補集相關的概念。
  2. Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect

    針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀，研製開發了一種plc人機界面? plc監控器。本文系統地介紹了整個系統的開發過程，包括硬體系統、軟體系統的設計及實現，重點介紹了plc通信協議，監控器的基本工作原理以及期望實現的功能，監控器電源電路、 sram存儲器掉電保護電路、 cpu監控器電路、按鍵輸入電路的設計及按鍵狀態的讀入，時鐘信息的設定與讀取， cpu液晶顯示器指令系統，信息畫面及標簽數據結構的定義及顯示方法， cpu內部資源的分配，監控器與plc通信的軟體實現，文件格式的定義以及畫面數據的下載等。 plc監控器彌補了plc一些方面的不足，可以擴大plc的應用范圍，提升機械設備的檔次，增加設備的附加價值，具有一定的市場前景。
  3. The definition and characteristics of sdm are set forth, and a structure of spatial data mining system including data source, miner and user interface is put forward. the essential processes of sdm are studied and nine types of rules resulting in mining are discussed. there are 17 kinds of spatial data mining approaches researched in this paper and each method ' s characteristics are analyzed

    闡述了空間數據挖掘的定義與特點，提出一種包括數據源、挖掘器、用戶界面三層結構的空間數據挖掘體系結構，闡述空間數據挖掘的基本步驟和從空間數據庫中能發現的九種知識類型，系統研究了17種空間數據挖掘方法，闡述了各種方法的特點和適用范圍，闡述了空間數據挖掘與其它相關學科的區別與聯系，指出空間數據挖掘的主要研究方向，提出開發空間數據挖掘系統的幾條原則。
  4. Beginning with the formal definition of derivation set, this thesis finds the general laws of derivation set, proves the theorems about derivation set, proposes an approach for weak inversion and verification based on attribute mapping to trace data lineage, gives a series of arithmetic for data lineage tracing, describes the basic processes of data lineage, and then forms systematic theories and approach

    作者從定義起源集入手，找出了起源集的一般規律，證明了有關起源集的定理，提出了一種「基於屬性映射的弱逆與驗證」的起源集跟蹤方法，給出了一系列有關起源集跟蹤的演算法，並設計了數據志跟蹤的基本過程，從而形成了一套系統的數據志跟蹤理論與方法。
  5. Secondly, based on the classification of fuzzy set semantics, we give a new definition on data type. thirdly, by new data types, we give a new fuzzy relational database management system ( frdbs ) database language ( dbl ) and a new quotient operator based on the semantics in fuzzy relational database

    利用模糊集合的語義分類，本文提出了一種新的模糊數據類型劃分方法，在此基礎上提出了一種改進的模糊數據庫語言，並提出了一種基於語義的模糊關系除操作和用於數據類型之間進行轉換的上操作和下操作。
  6. Dynamic data set definition

    動態數據集定義
  7. Once you have configured your data adapter, you can generate the data set definition that will host your data adapter disconnected result sets

    一旦配置了數據適配器，您就可以生成數據集定義了，該數據集將存儲您的數據適配器斷開連接的結果集。
  8. Referring to boeing aircraft product data and combining cad / cam and product data technology development, advance the concept of product data of design for manufacturing and the form of product data integration definition facing manufacture, and set up the digital product data system supporting the advanced manufacturing technology from the point of view engineering. 2

    參照波音飛機的數字化產品數據定義和描述，結合cad cam技術和產品數據的發展，提出了面向製造的產品數據描述的概念及產品數據的集成定義形式，從工程角度，建立支持先進製造技術和pdm技術的數字化產品數據體系。
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