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LY/T 2920-2017 English PDF

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LY/T 2920-2017: Forestry information exchange format
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Standard similar to LY/T 2920-2017

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Basic data

Standard ID LY/T 2920-2017 (LY/T2920-2017)
Description (Translated English) Forestry information exchange format
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard L67
Classification of International Standard 35.240
Word Count Estimation 10,128
Date of Issue 2017-10-27
Date of Implementation 2018-01-01
Regulation (derived from) National Forestry Admistration Notice 2017 No. 18; Industry Standard Filing Notice No. 12 (Total No. 216)
Issuing agency(ies) State Forestry Administration

LY/T 2920-2017: Forestry information exchange format

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Forestry information exchange format ICS 35.240 L67 People's Republic of China Forestry Industry Standard Forestry information exchange format Released on.2017-10-27 2018-01-01 implementation State Forestry Administration released

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Overview 2 5 Design methods and rules 2 6 Information Model 4 7 Forestry information exchange format XML composition 4 Appendix A (informative) Vector Data Exchange Format Sample 5 Reference 7

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Information Center of the State Forestry Administration. This standard is under the jurisdiction of the National Forestry Information Data Standardization Technical Committee (SAC/TC386). This standard was drafted. National Forestry Administration Survey Planning and Design Institute, National Forestry Administration Information Center. The main drafters of this standard. Chen Jian, Bai Jiangli, Li Yingguo, Gu Hongbo, Xu Zehong. Forestry information exchange format

1 Scope

This standard specifies the XML-based data exchange format design method and rules for forestry information general relational database data sets, and The entity-attribute-based XML encoding rules are given, as well as the composition of the forestry information model and the exchange format XML. This standard is applicable to the exchange and sharing of online and offline data between forestry application systems and all levels of data. This standard applies to the system design and related developers in the forestry information construction.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2312 basic set of man-coded character set for information exchange GB/T 17694-2009 Geographic Information Terms GB/T 17798-2007 Geospatial Data Exchange Format GB/T 18391.1 Information technology metadata registration system Part 1. Framework GB/T 18793-2002 Information Technology Extensible Markup Language (XML) 1.0 GB/T 19710-2005 Geographic Information Metadata

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Dataset dataset A collection of data that can be identified. Note. In this standard, the data set corresponds to the data entity in the data set model. [GB/T 19710-2005, definition 4.2] 3.2 Entity entity Any specific or abstract thing that exists, has existed, or may exist, including the relationship between things. Examples. a person, an object (object), an event, a concept, a process, and so on. Note. The existence of an entity does not depend on whether it is available or not. [GB/T 18391.1-2009, definition 3.2.10] 3.3 Attribute attribute The characteristics of an object or entity. [GB/T 18391.1-2009, definition 3.1.1] 3.4 Instance instance

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