[计]?求补系统

求补系统：complement number system 秋季联合计算机会议(美国，已由NCC取代)：FJCC Fall Joint Computer Conference ..

?补数系

... complement number ==> 补数 complement number system ==> 补数系 complement of a set ==> 集的补集,集合的补集 ...

?补码系统

... 补码 complement number 补码系统 complement number system 互补图 complement of graph ...