【数学知识】
1. no less than 大于等于;
2. no more than 小于等于;
3. is equal to 等于;
4. round to/to the nearest 四舍五入;
5. A divided into B 即B/A,A divided by B 即A/B;
6. The ratio of A to B is ...A比B的比例是 ;
7. be parallel to 平行于;
8. be perpendicular to 垂直于;
1. no less than 大于等于;
2. no more than 小于等于;
3. is equal to 等于;
4. round to/to the nearest 四舍五入;
5. A divided into B 即B/A,A divided by B 即A/B;
6. The ratio of A to B is ...A比B的比例是 ;
7. be parallel to 平行于;
8. be perpendicular to 垂直于;
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