| Subject | English | Chinese |
| gen. | base of Naperian or natural system of logarithms | number 2.7182814+自然对数的底等于2.7182814 + |
| gen. | Briggean system of logarithm | 常用对数 |
| gen. | Briggean system of logarithm | 布里格氏对数 |
| tech. | system of logarithm | 对数系 |
| tech. | system of logarithm | 对数制 |
| scient. | the base of a system of logarithms | 组对数的底 |