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LY/T 2921-2017 English PDF

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US$529.00 · In stock
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LY/T 2921-2017: Forestry data quality - Base elements
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 2921-2017	529	Add to Cart	4 days	Forestry data quality - Base elements	Valid

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Basic data

Standard ID: LY/T 2921-2017 (LY/T2921-2017)
Description (Translated English): Forestry data quality - Base elements
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B60
Classification of International Standard: 65.020.40
Word Count Estimation: 23,273
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 2921-2017: Forestry data quality - Base elements

---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 data quality—Base elements ICS 65.020.40 B65 People's Republic of China Forestry Industry Standard Basic elements of forestry data quality Released on.2017-10-27 2018-01-01 implementation State Forestry Administration released

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General 3 5 Forestry data quality elements 4 6 Determination of forestry data quality 8 7 Record of forestry data quality information 10 Appendix A (informative) Forest data quality metrics 12 Reference 20

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. Institute of Resource Information, Chinese Academy of Forestry, Information Center of the State Forestry Administration, China National Institute of Standardization. The main drafters of this standard. Huang Shuisheng, Hu Shuping, Liu Pengju, Hou Ruixia, Tang Xiaoming, Gu Hongbo, Bai Ying, Yan Yuan, Cheng Yue, Sun Zhaoyang. Basic elements of forestry data quality

1 Scope

This standard specifies the conceptual model, components, determination principles and recording methods of forestry data quality. This standard applies to the quality control, quality evaluation, conformance testing and results inspection and acceptance of forestry data.

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 7408-2005 Data element and exchange format information exchange date and time representation GB/T 19000-2016 Quality Management System Foundation and Terminology GB/T 19710-2005 Geographic Information Metadata GB/T 21336-2008 Geographic Information Quality Evaluation Process GB/T 21337-2008 Geographic Information Quality Principles ISO /T S19101-2.2008 Geographic Information Reference Model Part 2. Imagery (Geographicinformation-Reference model-Part 2.Imagery) ISO 19157.2013 Geographic Information Data Quality (Geographicinformation-Dataquality) ISO 24156-1.2014 Using Unified Modeling in Terminology Work and Related Use of Unified Modeling Language Part 1. Terminology Work Language notation forconceptmodelinginterminologyworkanditsrelationshipwith UML-Part 1. GuidelinesforusingUMLnotationinterminologywork)

3 Terms and definitions

The following terms and definitions defined in ISO 19157.2013 apply to this document. 3.1 Forestry data forestrydata Observed, observed, or calculated to express the nature, status, and interrelationships of forestry resources and forestry related elements Symbol collection. Note 1. Forestry data includes. forestry resource data such as. forests, wetlands, desertification and desertification land, and biodiversity resource data; forestry business data, Such as. comprehensive afforestation data, forestry disaster monitoring and emergency data, forestry industry data, etc. Note 2. The forestry data in this standard does not include forestry policies and regulations, comprehensive office, personnel and other data. 3.2 Product specification A description of the technical requirements for the description of the domain and mapping the domain to the data set. [ISO 19157-2013, definition 4.6] 3.3 Quality The set of intrinsic properties of the object satisfies the requirements. [GB/T 19000-2016, definition 3.6.2] ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of LY/T 2921-2017_English be delivered?

Answer: Upon your order, we will start to translate LY/T 2921-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of LY/T 2921-2017_English with my colleagues?

Answer: Yes. The purchased PDF of LY/T 2921-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.