世代长度 meaning in English

generation length

At the same time , we studied the distribution patterns of the young , middle - aged and old individuals respectively in the three populations as well as in other several concomitant species in the communities in which e . chloranthoides lives
三个种群的世代长度约为6一7a ，世代交替的时间较短。 4 、移动平均法对三个种群未来数量的增长趋势预测的结果表明，在未来2a 、 5a内，绪乞