cutoff grade
基本解释
- 边界品位；最低品位
英汉例句
- The cutoff grade systems are discussed, and it proposes that China should change from dual cutoff grade system to a single one.
对矿石开采品位指标体系问题进行了探讨，认为我国必须从双指标体系转变到单指标体系。 - The existing method is to determine the cutoff grade of ore draw by calculating the marginal balance of revenue-expenditure of one blast step but not whole block or ore body.
现行的方法是按每个崩矿步距（而不是整个矿块或矿体）计算收支平衡条件，从而确定放矿截止品位的。 - The model considers the mining order and the grade distribution in different deposit sections and has realized the time-space dynamic combination of the cutoff grade in underground mining.
该模型考虑矿体的开采顺序和矿床不同区段的品位分布，实现了地下开采边界品位在时间和空间上的动态结合。
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双语例句
词组短语
- cutoff f grade 边界品位
- equivalent cutoff grade 等值边界品位
- drawing cutoff grade 放矿截止品位
- Limiting economic cutoff grade 极限经济边界品位
- cutoff grade of ore drawing 截止放矿品位
短语
专业释义
- 边际品位
This dissertation focuses on the study of economic analysis and mathematical models of open pit cutoff grade optimization.
本论文研究露天矿开采边际品位经济最优化的理论方法及其数学模型问题。地球科学
- 最低品位
- 边界品位