NIST Fundamental Physical Constants
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下载链接：
https://physics.nist.gov/cuu/Constants/
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资源简介：
NIST Fundamental Physical Constants是由美国国家标准与技术研究院(NIST)物理测量实验室维护的基础物理常数数据库，提供国际公认的CODATA推荐值。该数据库包含基本物理常数和转换因子，支持按名称搜索、浏览历史版本，并提供相关科学数据链接。数据内容定期更新，最新版本为2022年推荐值，下一次调整计划于2026年进行。
NIST Fundamental Physical Constants is a fundamental physical constants database maintained by the Physical Measurement Laboratory of the National Institute of Standards and Technology (NIST), which provides internationally recognized CODATA recommended values. This database includes fundamental physical constants and conversion factors, supporting name-based search, browsing of historical versions, and offering links to relevant scientific data. The data content is updated regularly, with the latest version being the 2022 recommended values, and the next adjustment is scheduled for 2026.
提供机构：
美国国家标准与技术研究院
