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| Subject | Chinese | English |
| el. | 以 e 为底的对数 | logarithm to the base e |
| el. | 以 10 为底的对数 | common logarithm |
| el. | 以10为底的对数 | common logarithm (lgX≈0.434291nX) |
| el. | 以e为底的对数 | natural logarithm (lnX≈2.302581gX) |
| construct. | 以10为底的对数 | denary logarithm |
| tech. | 以十为底的对数 | denary logarithm |