land-use ratio

例句：

1. 1.The government is considering increasing the land-use ratio to reduce pollution.
   政府正在考虑提高土地使用比例以减少污染。
2. 2. The land-use ratio of this region is very high, which leads to severe environmental problems.
   该地区的土地使用比例非常高，这导致了严重的环境问题。
3. 3. The land-use ratio of urban development is a crucial factor in determining the sustainable growth of cities.
   城市发展的土地使用比例是决定城市可持续发展的关键因素。