工学 膳食调查 释 specific proposed levels; SPL 特定建议值 膳食中具有改善人体生理功能的成分有利于维护人体健康所应达到的摄入量。 工学 声压级 释 sound pressure level; SPL 声压级 用来表示声音的强弱，以对数尺衡量有效声压相对于一个基准值大小的物理量。
软件工程 释文 software product line, SPL 软件产品线
- Nathan Yonathan
- Nathan Zach
- nation
- National "10th Five-Year" Program for Environmental Protection
- National"11th Five-Year Plan"for Environmental Protection
- National "12th Five-year Plan" for Ecological Conservation
- National "12th Five-Year" Plan for Environmental Protection
- National 1∶50000 Database Updating Project
- National "9th Five-Year" Plan for Environmental Protection and Vision 2010 Targets
- National Aboriginal and Torres Strait Islander Health Plan
- National Aboriginal Congress
- National Aboriginal Consultative Committee
- National Academic Symposium on High-pitched Opera of China
- National Academy of Art
- National Academy of Chinese Theatre Arts
- National Academy of Design
- National Academy of Drama
- National Academy of Education Administration
- National Academy of Engineering
- National Academy of Forestry and Grassland Administration
- National Academy of Peiping
- National Academy of Sciences
- National Accounting Society of China
- National Accreditation Committee for Urban and Rural Planning Curriculum
- National Administrative Measures of Specific Funds for the Protection of Cultural Relics