GB/T 33745-2025 in English
VALIDInternet of things—Terminology
- Issued on:2025-05-30
- Implemented on:2025-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$262.00
| Standard No: | GB/T 33745-2025 |
| Document status: | VALID |
| Title in English: | Internet of things—Terminology |
| Title in Chinese: | 物联网 术语 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2025-05-30 |
| Implemented on: | 2025-12-01 |
| Superseding: |
GB/T 33745-2017 Internet of things―Terminology
|
| ICS Classification: | 35.110-Networking |
| Chinese Classification: | L79-Opening and system interconnection of computer |
| Professional Classification: | GB-National Standard |
| Related Keywords: | things security system basic definition level
things terminology introduction standard evolution things framework trusted internet satellite internet |
| Related Topics: | internet of things
oid+ IoT application |
《GB/T 33745-2025物联网 术语》由TC28(全国信息技术标准化技术委员会)归口,TC28SC41(全国信息技术标准化技术委员会物联网与数字孪生分会)执行,主管部门为国家标准委。
Introduction
Standard Evolution and Framework Analysis
| Comparison Dimensions | 2017 Edition | 2025 Edition | Technical Impact |
|---|---|---|---|
| Total Number of Terms | 46 items | 32 items | Streamline redundant concepts and focus on the core system |
| New Terms | - | 16 items | Covering cutting-edge fields such as edge computing and satellite Internet of Things |
| Security System | Basic Definition | Level 4 security framework | Strengthening the level protection and service mechanism |
Technical analysis of core terms
3.1.13 Edge computing
The definition clearly defines the computing architecture as deployment at the edge of the network, forming a complementary system with cloud computing. Typical application scenarios include:
- Real-time quality control in industrial Internet of Things
- Dynamic optimization of traffic flow in smart cities
- Emergency response system of medical Internet of Things
3.1.14 Passive Internet of Things
The technical scope that breaks through the limitations of traditional power supply. The standard specifically notes that environmental energy includes:
Implementation recommendations
- Term mapping: Establish a corresponding relationship table between the enterprise terminology library and the national standard
- Security classification: Implement IoT security level protection in accordance with clause 3.3.3
- Architecture verification: Use the 3.2.4 perspective methodology to evaluate system design
Application value of the standard
The new standard provides a theoretical basis for digital twin technology through the definition of concepts such as virtual entity; the Trusted Internet of Things framework promotes the industry to establish a unified trusted evaluation system. It is recommended to implement it in conjunction with the ISO/IEC 20924:2024 international standard.

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