mean interval between successive generations
... interval between two generations 两代人之间的间隔 mean interval between successive generations 两代人平均间隔 interval between generations 代沟 ...
基于8个网页-相关网页
mean interval between successive generations
连续世代之间的平均间隔
以上为机器翻译结果，长、整句建议使用 人工翻译 。