对数表是指通过计算得出从1开始各个整数的对数（现在一般用常用对数），所编排成的表格。对数表中不列出首数，它由常用对数的性质确定，真数和对数尾数的精确度取决于对数表的位数，位数越高，精确度越高。
此系统是基于椭圆曲线离散对数表示问题的。
The system is based on expression question of elliptic curve dispersed number.
他的最初设计是为机器计算诸如对数表之类的事情。
His first designs were for a machine to calculate such things as logarithm tables.
纳皮尔简化了计算工作，但手边必须有对数表手册才能进行计算。
Napier had simplified computational tasks, but ready access to books of log tables was crucial to the procedure.
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