该体系由指标体系、计量基准、计量标准和计量手段四要素构成。

This system comprises four essences, indicators system, benchmark, criteria and methodology.

youdao

该体系由指标体系、计量基准、计量标准和计量手段四要素构成。

This system comprises four essences, indicators system, benchmark, criteria and methodology.

youdao