 |
| Chinese | English |
| National Institute of Standard and Technology美国国家标准和技术研究所 | NIST |
| NIST美国国家标准和技术研究所 | National Institute of Standards and Technology |
|
| Chinese | English |
| National Institute of Standard and Technology美国国家标准和技术研究所 | NIST |
| NIST美国国家标准和技术研究所 | National Institute of Standards and Technology |