| 单词 | base |
| 释义 | base 1(in mathematics) ➠a The number of different symbols in a number system. In the decimal system the base is 10; in binary notation it is 2. ➠b The number that when raised to a certain power has a logarithm equal to that power. For example if 10 is raised to the power of 3 it is equal to 1000; 3 is then the (common) logarithm of 1000 to the base 10. In natural or Napierian logarithms the base is e. To change the base from common to natural logarithms the formula used is: log10y = logey × log10e = 0.43429logey 2(in electronics) See transistor. |
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