THE population of bugs in a Petri dish typically increases in an S-shaped curve.
THE population of bugs in a Petri dish typically increases in an S-shaped curve.
细菌培养皿里面的细菌数量呈典型的S曲线分布。
THE population of bugs in a Petri dish typically increases in an S-shaped curve.
细菌培养皿里面的细菌数量呈典型的S曲线分布。