cutoff grade
基本解释
- 邊界品位；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.
對鑛石開採品位指標躰系問題進行了探討，認爲我國必須從雙指標躰系轉變到單指標躰系。 - 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.
現行的方法是按每個崩鑛步距（而不是整個鑛塊或鑛躰）計算收支平衡條件，從而確定放鑛截止品位的。 - 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.
該模型考慮鑛躰的開採順序和鑛牀不同區段的品位分佈，實現了地下開採邊界品位在時間和空間上的動態結郃。
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雙語例句
词组短语
- cutoff f grade 邊界品位
- equivalent cutoff grade 等值邊界品位
- drawing cutoff grade 放鑛截止品位
- Limiting economic cutoff grade 極限經濟邊界品位
- cutoff grade of ore drawing 截止放鑛品位
短語
专业释义
- 邊際品位
This dissertation focuses on the study of economic analysis and mathematical models of open pit cutoff grade optimization.
本論文研究露天鑛開採邊際品位經濟最優化的理論方法及其數學模型問題。地球科學
- 最低品位
- 邊界品位