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GB/T 45434.3-2025 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 45434.3-2025: China standard time - Part 3: Bulletin
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 45434.3-2025	279	Add to Cart	3 days	China standard time - Part 3: Bulletin	Valid

Similar standards

GB/T 38665.1 GB/T 38665.2 GB/T 9813.3 GB/T 45629.1 GB/T 32910.6 GB/T 45434.2

Basic data

Standard ID: GB/T 45434.3-2025 (GB/T45434.3-2025)
Description (Translated English): China standard time - Part 3: Bulletin
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L60
Classification of International Standard: 35.240
Word Count Estimation: 14,183
Date of Issue: 2025-03-28
Date of Implementation: 2025-03-28
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45434.3-2025: China standard time - Part 3: Bulletin

---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.
This document is under the jurisdiction of the National Beidou Satellite Navigation Standardization Technical Committee (SAC/TC 544). This document was drafted by. China Institute of Metrology, China Satellite Navigation Engineering Center, Beijing Satellite Navigation Center, Beijing Radio Institute of Metrology and Testing. The main drafters of this document are. Zhang Aimin, Xiang Fang, Wang Yuzhuo, Jiao Wenhai, Shi Fengfeng, Zhang Shengkang, Xu Qinghua, Liu Ying, Wang Xueyun, and Xu Jinfeng.

Introduction

Standard time is widely used in communications, transportation, finance, scientific research, national defense construction and many other fields, affecting human production and life. GB/T 45434 aims to clarify the generation, management and The service guidelines are planned to consist of 7 parts. --Part 1.General. The purpose is to establish the generation, maintenance, comparison, publication and timing services applicable to China Standard Time. Basic requirements. -- Part 2.Metadata. The purpose is to establish the content and format of data resources related to the generation and publication of China Standard Time. The metadata entity and metadata attributes are defined in the format. -- Part 3.Bulletin. The purpose is to establish the methods and requirements applicable to the compilation of the China Standard Time Bulletin. --Part 4.Reference clock. The purpose is to establish the reporting, use and evaluation of reference clocks applicable to the generation of China standard time. Related requirements. --Part 5.Comparison link. The purpose is to establish the BeiDou/Global Satellite Navigation System applicable to the generation of China's standard time. Requirements for the use, management and maintenance of GNSS, satellite two-way and optical fiber time and frequency comparison links. -- Part 6.Broadcasting. The purpose is to establish the requirements applicable to technical organizations for broadcasting China's standard time signal. -- Part 7.Monitoring. The purpose is to establish the requirements applicable to technical organizations monitoring the Chinese standard time signal. China Standard Time Part 3.Communiqué

1 Scope

This document specifies the general requirements, structure and data item information of the China Standard Time Bulletin. This document applies to the compilation and application of the China Standard Time Bulletin.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document. document. GB 3100 International System of Units and Its Application GB/T 3101 General principles for quantities, units and symbols GB/T 3102.1 Quantities and units of space and time GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 45434.1 China Standard Time Part 1.General GB/T 39267 Beidou Satellite Navigation Terminology JJF 1059.1 Evaluation and Expression of Measurement Uncertainty JJF 1180 Time and frequency measurement terms and definitions 3 Terms, definitions and abbreviations 3.1 Terms and Definitions The terms and definitions defined in GB/T 39267, GB/T 45434.1 and JJF 1180 apply to this document. 3.2 Abbreviations The following abbreviations apply to this document. BDT. BeiDou Time CAT. China Atomic Time CST. China Standard Time UTC. Coordinated Universal Time

4 General requirements

The CST Bulletin shall use standardized terms and definitions and authentic and reliable data information, and the data units shall adopt the legal measurement units of my country. The expression of quantity and unit shall comply with the relevant requirements of GB 3100, GB/T 3101, GB/T 3102.1, and the numerical expression shall comply with GB/T 8170. The uncertainty assessment shall comply with the requirements of JJF 1059.1. The data and content of the CST Bulletin should be subject to a review and re-examination system to ensure the accuracy and authority of the Bulletin. The release cycle of the CST Bulletin is generally one month. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 45434.3-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 45434.3-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 45434.3-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 45434.3-2025_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.