The production elasticity coefficient for plant industry fee is higher, but the marginal efficiency is decreasing year by year.
种植业费用生产弹性系数较高，但边际效益逐年递减；
The production elasticity coefficient for plant industry fee is higher, but the marginal efficiency is decreasing year by year.
种植业费用生产弹性系数较高，但边际效益逐年递减；
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