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
- engineering geological suitability
- engineering geological survey
- engineering geological surveying and mapping precision
- engineering geological test
- engineering geological test scheme of physical modelling
- engineering geological unit
- engineering geology
- engineering geomechanical model
- engineering geomechanics
- engineering geomechanics of rock mass
- engineering geophysical exploration
- engineering geophysical instrument
- engineering geophysical prospecting
- engineering geophysics specification
- engineering-grade
- engineering graphics
- engineering guarantee
- engineering health testing
- engineering hole
- engineering hydraulics
- engineering hydrology
- engineering information
- engineering insurance
- engineering investigation for urban rail transit
- engineering logging