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 erosion滑塌侵蚀sliding posture滑行姿势sliding resistor滑触变阻器,滑线电阻,滑动电阻器sliding radiator移动式散热器sliding microtom滑动式切片机sliding bearings滑动轴承Sluder operation斯路德手术sliding fracture滑动破裂sliding property滑动特性sliding variable滑模变量