cymyln.伞花基
CYabbr.历年(=calendar year)
cyclotetrasilazanen.环丁硅氨烷
Cytomega.lovirus巨细胞病毒
cycloidal toothing摆线啮合
Cyrtomium obliquumn.斜基贯众
Cyclosonis chengiin.程氏毛蕨
cyclohexanetetraoln.环己四醇
cyanogenetic plant生氰植物
Cyrtococcum patensn.弓果黍
cycloalkenyl group环烯基
cyclostrophic wind旋衡风