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
- environment metaphor
- environment noise
- environment of agricultural producing area
- environment of domestic animal
- environment of human resources management
- environment of pavement
- environment of the systems
- environment performance estimation
- environment poverty trap
- environment protection management of distribution network
- environment protection of concentrators
- environment protection of sintering
- environment reconstruction
- environment right in the constitution
- environment sanitation of ship
- environment sensitive fracture
- environment statistical communique
- environment statistical indicators system
- environment test for electronic product
- environment trade
- environment variable
- EnviSat
- Envisioning Dance on Film and Video
- envoy drug
- Envoys to Tang Dynasty