# Copilot／t4／2回目／2026-09-29
# モデル表示: （読み取れず）／所要 20.0秒／231文字
# 採点: 不正解（URL 2/3本が実在・開けない https://www.bipm.org/en/publications/si-brochure/edition-9/a）

https://www.nist.gov/pml/us-surveyfoot/revised-unit-conversion-factors https://www.nist.gov/document/2023-nist-handbook-44-appendix-c-0 https://www.bipm.org/en/publications/si-brochure/edition-9/appendix-1-units-outside-the-si.html