高品级的 meaning in English

highgrade
high-test

The deposit is concentrated at the bottom of the embayment with highgrade dissemination at a higher elevation above it .
矿体集聚在凹陷的底部，而比它高的位置才有高品级的分布。
In this study , we have systematically studied on the diversities , variations of zeolite ores and the relationship between compositions and properties of zeolite ores in the muling ore - deposit , preliminarily established the prospecting and evaluating geo - chemical models of different types of zeolite ore bodies . moreover , we have found and verified one modernite ore - body and one clinoptilolite ore - body in muling . a multi - objective exploiting and utilizing plan has been preliminarily put forward to different zeolite ore - bodies
本文实例(穆棱沸石矿)研究，系统地探讨了不同类型沸石矿体的矿化特征、矿石类型、矿化组分、矿石品级和物化性能的多样性、多变性特征与空间变化规律，以及矿石组分与物化性能之间的相关规律；提出并初步建立了不同类型沸石矿的岩矿地球化学预测评价模式；发现并初步查证：高品级的丝光沸石矿体1个，丝光一斜发混合型矿体1个。