本地基本参照时钟
LPRC Local Primary Reference Clocks
标准参照测量
criterion-referenced measurement
标准参照测验
criterion referenced test
criterion-feferenced test
criterionreferenced test
criterion-referenced test
标准参照记分法
criterionreferenced grading
标准参照评量
criterionreferenced evaluation
标准电话传送参照系统
master telephone transmission reference system