求翻译：矿产资源税是以国有的矿产资源的开采和利用为对象所课征的税种,其实质是矿山级差地租。近几年来矿产资源的价格的高位运行, 不少个体、私营企业都利用我国目前矿产资源税制度的不够健全从开发利用各种矿产资源中获取了高额的利润。既暴露了现行矿产资源税费制度存在的问题, 也为矿产资源税费制度改革带来了新的契机。是什么意思？

Mineral resource taxes are taxes levied by the state-owned mineral resources exploitation and utilization of the object, its essence is mine land rent. Development and utilization of the high price of mineral resources in recent years, many individuals, the private sector take advantage of our curre

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