gross rate of increase of domestic animals

例句：

1. 1. The company's gross rate of increase in sales has been declining over the past year.
   该公司销售额的增长率在过去一年内一直在下降。
2. 2. The gross rate of increase in population is a key indicator of economic growth.
   人口增长率是经济增长的关键指标。
3. 3. The government has announced plans to increase the gross rate of increase in public spending.
   政府宣布计划提高公共支出的增长率。