look-ahead的用法和樣例：
辭彙搭配
- pipelined look-ahead carry 流水線先行進位...
- instruction look-ahead unit 指令先行部件...
- carry look ahead adder 超前進位加法器...
- look ahead strategy 先行策略
- carry look ahead 先行進位法,先行進位...
- look ahead system 超前式
- look ahead for 預見到(為 ......
- array look-ahead adder 數組先行加法器...
- look ahead 考慮未來
- look ahead to 向前看
