age distribution

• 寿命分布

age distribution的用法和样例：

例句

1. The lifetime distribution with a single-exponential decay can be observed in the much thicker microcavity.
   当介质腔的宽度足够大时，原子的寿命分布呈现指数衰减的形势。
2. At first the author expatiates on meaning of appraising gender and age, thencalculating the obituary age and average life-span.
   计算了姜家梁新石器时代人群的死亡年龄分布和平均寿命。