无效: of no avail; to no avail; in ...的: 4次方是 The fourth power of 2 i ...限定: prescribe a limit to; limit; ...符: tally symbol; mark限定符: qualifier变址限定符: index qualifier对象限定符: object qualifier数据限定符: data qualifier索引限定符: index qualifier限定符号: qualifying symbol字限定符: word qualifier无效的: abortive; barren; be null and void; contravalid; dead; deficient; dimmed; effectless; fail; feckless; fruitless; frustrane; frustrate; futile; idle; illegal; inactive; ineffective; ineffectual; inefficacious; inefficient; inoperative; invalid; non effective; non operative; non-available; nonoperative; non-valid; noneffective; not effective; nugatory; overridden; unavailable; unavailing; unfruitfulness; useless; vain; void指示字限定符: pointer qualifier无效的；使无效；无效: null and void无效的；无疗效的: inefficacy资本财的限定: definition of capital goods路径选择限定符: routing qualifier指示字限定符号: pointer qualification symbol惰性的，无效的: inert非无效的: nontrivial可使无效的: vitiablevoidable; voidable空的，无效的: void空位，无效的: null零无效的: null难使无效的: indefeasible
