Our own numeral system is an example of a positional numeral system with base 10 . 我们现在所用的数系就是以10为基的定位数系。
The sexagesimal scale, or number system based on 60, was used by ancient babylonians . 古巴比伦人用六十进位制,即以60为基的数系。
The need for a logical foundation of the number system was aggravated by the alexandrian's free use of numbers . 由于亚历山大人随意使用数,所以对于数系的逻辑基础就更加显得迫切需要。
Preferred number series for resistors and capacitors 电阻器和电容器的优先数系
Preferred numbers - series of preferred numbers 优先数和优先数系
Guide to the use of preferred numbers and of series of preferred numbers 优先数和优先数系的应用指南
Some questions about integral set comstruction in numeral sysytem expanding 关于数系扩充中整数集构造的若干问题
In the long and tortuous course of numerical - system expansion , it contains innumerable experiences and lessons , and condenses with tremendous human courage and wisdom 摘要数系扩张这一漫长而曲折的历程中,既蕴含着无数的经验教训,又凝结着人类的大智大勇。