the Sloping Land Conversion Program的用法和樣例：
例句
- Good results were achieved in projects for reforesting formerly cultivated land and protecting natural forests.
退耕還林和天然林保護工程建設取得成效。 - The implementation of convert arable land to forestry will effectively improve the ecological environment in western regions, and prevent soil erosion.
實(shí)施退耕還林工程，將有效地改善西部地區的生態(tài)環(huán)境，遏止水土流失。
