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 horizon滚动窗口Sluder's methodsliding windows滑动窗口sliding control滑模控制sleying machine穿综筘机slewing journal转向节slept all night整夜睡眠slte-analysis基地条件sliding shuttle滑梭sliding caliper游标卡尺