symmetrical DFD对称差分
symmetricaladj.对称的
symmetrical street canyon对称街道峡谷
symmetrical standardstate对称标准态
symmetrical end radiation对称端射
symmetrical reinforcement对称配筋
symmetrical pi attenuator对称π型衰减器
symmetrical achromat lens对称式消色差透镜
symmetrical transcription对称性转录
symmetrical manifestation对应表现
symmetrically shaped beam对称成形波束
Symmetrical weight method对称分量法