cutoff grade

基本解釋

• 邊界品位；最低品位

英漢例句

雙語例句

• The cutoff grade systems are discussed, and it proposes that China should change from dual cutoff grade system to a single one.
  對礦石開采品位指標(biāo)體系問題進(jìn)行了探討，認(rèn)為我國必須從雙指標(biāo)體系轉(zhuǎn)變到單指標(biāo)體系。
• 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(xiàn)行的方法是按每個崩礦步距（而不是整個礦塊或礦體）計算收支平衡條件，從而確定放礦截止品位的。
• 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.
  該模型考慮礦體的開采順序和礦床不同區(qū)段的品位分布，實現(xiàn)了地下開采邊界品位在時間和空間上的動態(tài)結(jié)合。
  www.jsks.net.cn

• cutoff grade更多例句

詞組短語

短語

• cutoff f grade 邊界品位
• equivalent cutoff grade 等值邊界品位
• drawing cutoff grade 放礦截止品位
• Limiting economic cutoff grade 極限經(jīng)濟邊界品位
• cutoff grade of ore drawing 截止放礦品位

• cutoff grade更多詞組

專業(yè)釋義

經(jīng)濟學(xué)

• 邊際品位

  This dissertation focuses on the study of economic analysis and mathematical models of open pit cutoff grade optimization.
  本論文研究露天礦開采邊際品位經(jīng)濟最優(yōu)化的理論方法及其數(shù)學(xué)模型問題。

  地球科學(xué)

• 最低品位
• 邊界品位