physiological natality
常見例句
- The effect of crowding and physiological stress and shortage of food resources were the main reasons for the decline of population natality and yearly increase rate.
種群密度過高産生的擁擠傚應(yīng)和食物資源不足是造成種群出生率和年度增長率下降的主要原因。 返回 physiological natality