The results showed that the productivity, ecological and economic benefits were greatly raised in the new system.

三年试验结果表明，新系统显著提高了生产力、生态效益和经济效益。

youdao

The results showed that the productivity, ecological and economic benefits were greatly raised in the new system.

三年试验结果表明，新系统显著提高了生产力、生态效益和经济效益。

youdao