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单词 lookahead
释义

lookahead

/ˈlʊkəhɛd/
noun
1The action or an act of considering what is likely to happen, or of calculating what can happen, in the (immediate) future.
2 Computing. More fully carry-lookahead. A method in computational arithmetic whereby the individual elements of an adder are capable of determining when addition performed by preceding stages will generate output which has to be carried to subsequent stages; an implementation of this method.
adjective
Of or relating to the action of calculating what can happen in the (immediate) future; designating something which does this.
  • Apparently only in the context of computer design or technology..

Origin

Late 19th century; earliest use found in Theodore Roosevelt (1858–1919). From look + ahead, after to look ahead.

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更新时间:2025/3/22 17:36:04