simple coppice system

例句：

1. 1.The forestry department is developing a simple coppice system to promote sustainable forest management.
   林业部门正在开发一个简单的薪材系统，以促进可持续的森林管理。
2. 2.The simple coppice system has been proven to be effective in reducing deforestation and promoting biodiversity.
   简单的薪材系统已被证明在减少森林砍伐和促进生物多样性方面是有效的。
3. 3.The government has implemented a simple coppice system to encourage farmers to use renewable resources instead of cutting down trees for firewood.
   政府已经实施了一个简单的薪材系统，鼓励农民使用可再生资源而不是砍伐树木作为柴火。