intrinsic rate of increase

例句：

1. 1. Thecompany's internal growth rate has been declining in recent years.
   该公司近年来的内在增长率一直在下降。
2. 2. The intrinsic growth rate of the economy is a key indicator of its health.
   经济的内在增长率是衡量其健康状况的关键指标。
3. 3. The research team found that the intrinsic growth rate of the population was not significantly different from the national average.
   研究小组发现，人口的内在增长率与全国平均水平没有显著差异。