同义词
1)associative operation,相联操作结合律运算2)operate,操作;运算3)combination operation,组合操作，联合运行4)on-line operation,联机操作，在线操作，在线运算5)anticoincidence operation; exclusion; modulo-two sum; nonequivalence operation; nonidentity operation; NOT-IF-THEN; NOT-IF-THEN operation,"异"运算[操作]6)operation of settlement,结算运作
