Symmsn.西姆斯SYMabbr.符号(=symbol)abbr.对称(=symmetry)Symploca muralis var. minorn.峭壁束藻小型变种Symmetic Neighborhood Filters对称邻域滤波Symplectoteuthis ouslsniensis鸢乌贼symplectic geometrical theory辛几何理论symbiotic nitrogen-fixation共生固氮sympathochromaffin cell tumor交感嗜铬细胞瘤symbiotic infantile psychosis依存性精神病, 共生性精神病sympathoadrenomedullary system交感肾上腺髓质系统symmetrizable iterative scheme可对称化迭代格式symplectic precise integration辛精细积分