SLUn.次逻辑单元；源程序库更新SLabbr.透镜分光计(=lens spectrometer)abbr.海平面(=sea level)Sliding nozzle滑动水口SLSD processor单指令流单数据流处理机sliding scales[经] 滑动工资sliding spring滑簧sliding stable滑动稳定sliding boards滑动板sloar activity太阳活动slouble protein蛋白质slub percentage竹节所占比例sliding stratum易滑地层