coppice system

例句：

1. 1. The coppice system is a method of selectively cutting and replanting trees in woodlands to improve their health and productivity.
   林分系统是一种选择性地在森林中砍伐和重新种植树木的方法，以改善其健康和生产力。
2. 2. In the coppice system, the trees are cut back to a certain height and then allowed to grow again, which helps to maintain the health of the forest.
   在林分系统中，树木被修剪到一定高度后，允许它们再次生长，这有助于维护森林的健康。
3. 3.The coppice system has been shown to be effective in improving the growth and health of young trees in forests.
   研究表明，林分系统在改善森林中幼树的生长和健康方面是有效的。