rate of live weight growth

例句：

1. 1. The rate of live weight growth is a key indicator of the health of an ecosystem.
   活重增长率是衡量生态系统健康状况的关键指标。
2. 2. The company's growth rate has been slowing down recently.
   这家公司的增长率最近一直在下降。
3. 3. The rate of growth is expected to increase in the coming years.
   预计在未来几年内增长速率将增加。