| 术语 | mixed-radix numeration system |
| 释义 | mixed-radix numeration system 混合基记数法［制］ A radix numeration system in which the digit places do not all necessarily have the same radix, e.g., the numeration system in which three successive digits represent hours, tens of minutes, and minutes; taking one minute as the unit, the weights of the three digit places are 60, 10 and 1 respectively; the radices of the second and third digit places are 6 and 10 respectively. A comparable numeration system that used one or more digits to represent days and two digits to represent hours would not satisfy the definition of any radix numeration system, since the ratio of the weights of the “days” and the “tens of hours” digit places would not be an integer. 一种基数记数法,其中各数位不必都有同样的基数。例如,在用三个相继的数字表示小时、十分和分的 数制中,如果以分为单位,则这三个数位的权分别为60,10和1;第二和第三个数位的权分别为6和10。 用一位或几位数字表示“日”,用两位数字表示“小时”的记数制不符合任何基数数制的定 义。因为“日”和“10小时”数位的权之比不是整数。同mixed-radix notation。 |
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