star diagram 中文意思是什麼
star diagram
解釋
星形圖-
The dynamic control diagram of pump well is a way to describe relations between liquid supporting and liquor drainage of a well or an area when oil extracting, it underwent eye measurement, star graph and pump state chart, underwent a development process of practice, understanding, repractice and reunderstanding. it worked on oil managing, parameter adjusting, pump changing, yields incresing and inject increasing
它經歷了人工目測、星相圖、泵況圖三個發展階段,經歷了從實踐到認識,到再實踐、再認識的發展歷程,為油田的生產管理、調參換泵,增產增注,起到了輔助支持的作用。 -
Upon contraction under its own gravity, the interstellar cloud heats up, and thus moving to the left in the diagram. note that the position of a star in the h - r diagram shows its physical properties, not its position in the sky
當星際雲收縮,它會變得越來越熱,而它在赫羅圖上的位置亦會向左移動注意:恆星在赫羅圖上的位置顯示了它們的物理特性,而非其在天空的位置。 -
Information packing includes three data models named information package diagram, star scheme and physical data model, corresponding to conceptual model, logic model and physics model in traditional database
數據庫的信息打包設計法通過建立信息包圖、星型模式、物理數據模型三種數據模型來創建數據倉庫。它們分別對應傳統數據庫的概念模型、邏輯模型和物理模型。 -
Then this paper builds information package diagram, star scheme and physical data model step by step. the dw for csd - dss, named starbs, is built. this paper builds mid - starbs as staging area to migrate data
在設計面向連鎖超市配送決策的數據倉庫之前,本文首先分析了連鎖超市信息管理系統物理數據庫中主要數據表的組成結構、數據項的意義以及配送系統的業務流程和信息流程。
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