中国各民族名称的罗马字母拼写法和代码 names of nationalities of china in romanization with codes
基数 [数学] cardinal number; potency; radix; base; base quota; floor; cardinality; base number; basic value; radix number 以1965年的产量为基数 taking the output of 1965 as the base; 承包基数 the base quota of a contract