LSabbr.左边（=left side）abbr.信笺已签名（=letter signed）abbr.图书馆学（=library science）abbr.盖印处（=Locus sigilli）LS-DRMTA最小二乘解扩重扩多目标阵列LS - SVM最小二乘支持向量机lsothecium猫尾藓属lsoflurane异氟醚Lsophorane异佛尔酮lseflurance异氟醚lsopsoralen异补骨脂素LS estimate最小二乘估计Lser fusion激光聚变lsofosfamidc异环磷酰胺