生物节律biological rhythm
生物钟biological clock
生物反应biological respinse
生物地球化学biogeochemistry[专业]地化;biological geochemistry[专业]地化
生物[学]障碍biological barrier, biotic barrier
慢性生物学假阳性（梅毒的血清反应）chronic biological false-positive (seroreactions for syphilis)
生物固氮biological nitrogen fixation
生物敷料biological dressing