生物钟biological clock
生物反应biological respinse
生物[学]障碍biological barrier, biotic barrier
生物固氮biological nitrogen fixation
生物敷料biological dressing
生物数学biological mathematics【生物】;biomathematics【生物】
电离辐射生物学效应（遗传学）biological effects of ionizing radiation
生物生产力biological productivity【生物】