converting cropland into forestland project的用法和樣例：
例句
The program of the converting farmland into forest is a big systems engineering,which involes broad converage, invests much money and has high participation of farmers. 退耕還林是一項龐大的系統工程，覆蓋面廣，投資多，農民參與程度高。
The rate of converting arable land into forestland is relatively lower compared with grassland. 還林的比例相對還草較低，目前的還林結構主要是未成林造林地。
converting cropland into forestland project的相關(guān)資料：
