land resource短语¹³¹⁶²⁰⁺³ 基本例句 土地资源 环境保护 The mountain area has much idle land resource in recent years, it is very important to exploitation and utilization of the mountain area idle land/span> resource for society and economy development. 近年来山区农村出现大面积的闲置土地，开发利用山区闲置土地资源对社会经济的发展具有非常重要的意义。 cnki