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- They are respectively named cut-off grade, marginal grade, economic grade and the average grade of an ore deposit. 这4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。
- It was discovered that the gallium is more than marginal grade in content and enriched in lower coal seam and floor, and occurs mainly in diaspore. 发现样品中镓的加权平均含量超过边界品位，并在煤层下部和底板岩石中显著富集，其主要地质载体为硬水铝石。
- The Marginal Grade of Titanium Placer in Panzhihua and the Reserve Estimation 攀枝花钛砂资源边界品位的确定及其储量估算
- Marginal Grade Assessment of 320 Uranium Deposit by Mathematical Statistics 应用数理统计估值法测算320铀矿床的边界品位
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- There was a nice red tick in the margin. 边上打了一个漂亮的红勾。
- Business is now on the up grade. 目前生意蒸蒸日上。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- She won by a comfortable margin. 她获胜成绩远远超过其他人。
- Put a mark in the margin to show the omission. 在页边作个记号表示有遗漏。
- This price will allow a good margin of profit. 这一价格可获厚利。
- We came to the margin of the wood. 我们来到树林的边缘。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
- He received a failing grade on the term paper. 他的期末报告不及格。
- He made some notes in the margin. 他在页边空白处做笔记。
- Tom passed the examination by a narrow margin. 汤姆考试勉强及格。
- Red and yellow grade into orange. 红与黄混合成橘黄。
- The twins will enter the fourth grade this fall. 这对双胞胎今年秋季将升到四年级。
- She win the seat by a margin of ten votes. 她以十票优势赢得席位。
