biological tag生物标记biologicaladj.生物的；生物学的Biological Characters of Bull Frog牛蛙生物学性状的研究biological product assay institute生物制品检定所biologically beneficial functional生理功能Biological and ecological property生物生态学特性biological flocculation adsorption生物絮凝吸附biologically inspired hexapod robot仿生六足机器人biological water-saving technique生物节水技术biological oxidationsdf-reduction生物耗氧量Biological fireproofing forest belt生物防火林带biological index of water pollution水污染生物指数