頁籤選單縮合
題 名 | 臺灣地區林木生長試驗資料查詢系統之建立=A Query System for Timber Growth Information in Taiwan |
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作 者 | 陳麗琴; 許秋雁; | 書刊名 | 臺灣林業科學 |
卷 期 | 12:1 1997.03[民86.03] |
頁 次 | 頁15-21 |
分類號 | 436.715 |
關鍵詞 | 林木生長; 資料庫; 查詢系統; 物件導向技術; Timber growth; Database; Query system; Objective oriented technique; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究目的係將臺灣地區歷年來有關林木生長試驗研究資料,依其影響生長因素加 以分類、分析資料結構、系統分析及建立資料庫,並以具有物件導向功能的 SAS/AF 軟體之 畫面控制語言( Screen control language, SCL )及其他相關 SAS 統計繪圖軟體設計各 種畫面、物件、功能包括資料查詢、基本統計查詢等以建立林木生長查詢系統,查詢方法極 具親和性,使用點選方式,操作簡易,可任意選擇影響生長之因素或屬性資料包括文獻、作 者、樹種、地區、環境、試驗方法等查詢所要的資訊,其特色為具有整合林業生長文獻內之 文字、數字及運用統計分析與圖形展示之動庀性查詢與分析功能,此系統除可提供較為完整 及快速之林木生長資訊,提供相關研究人員作進一步的研究外,將來更可以此為基礎,配合 統計分析、決策模式發展成決策支援系統,以為林木經營者制定決策之重要資訊。 |
英文摘要 | The purpose of this study was to build a user-friendly query system cov- ering timber growth in Taiwan. The system uses an icon-based interface, which can be operated by button pushing. The end user can easily search for timber growth information according to author, tree species, area, environment, and experimental method used in the published papers. The whole query system includes 2 components:(1)the database; and (2)the query system. For the database, the related influencing factors on timber growth were identified, and the system architecture was designed. As for the query system. different kinds of query frames, objects and functions were designed. The output of the related timber growth data, statistical analysis and graphs in the system was developed using Screen Control Language of SAS/AF software and other related SAS products with the characteristics of objective oriented programming (OOP) and forth generation language. The system not only provides more complete and efficient timber growth information, but also can be used as a base to develop a decision support system. |
本系統中英文摘要資訊取自各篇刊載內容。