SLSn.设定位置组号(位置组号设定与转移；旁瓣抑制)SLabbr.透镜分光计(=lens spectrometer)abbr.海平面(=sea level)sliding grid滑移网格slearic acid硬脂酸Slerotherapy硬化剂治疗sliding jack滑座螺旋起重器sliding bush滑套sliding head滑动刀架sliding ruler计算尺sliding slope滑坡sliding short滑动短路线sliding piece滑块