指示: indicate; point out instruct字: character; word运算: operation; arithmetic; opera ...字运算: word arithmetic; word operation部分字运算: part word operation非数字运算: nonnumeric operation数字运算: digit arithmetic; digital arithmetic; digital operation; number crunching数字运算的: digit arithmetic指示字: pointer串位数字运算: serial digit operation扩充文字运算: extended literal arithmetic数字运算电路: digital operational circuit数字运算技术: operational digital technique数字运算因素: n factor数字运算中心: dac digital arithmetic center; digital algorithm center; digital arithmatic centre表指示字: list pointer word出空指示字: unload pointer存储指示字: memory pointer符号指示字: symbolic pointer附属指示字: subsidiary pointer公用指示字: common pointer函数指示字: pointer to function呼叫指示字: cdc call directing character基数指示字: radix pointer激励指示字: activation pointer