positional representation meaning in English

按位表示法
位置表示法
位置记数法

In a positional representation system , a borrow digit is transferred to the digit place with the next higher weight for processing there
在按位表示的系统中，借位数字被传送到相邻较高权的数位上处理。
In a positional representation , the factor dependent on the digit place by which the value represented by a character in the digit place is multiplied to obtain its additive contribution in the representation of a real number
在位置表示法中,每个数位各有一个因子,它与该数位的字符所代表的值相乘,即得到此实数表示中由该数位所提供的值。