preemption
n. 先买, 先买权 [法] 预先占有, 优先购买权, 抢先购买
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词形变化
别名
释义与例句
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1.
An act or process that preempts; a preventive or forestalling action; as:
The purchase of something before it is offered for sale to others.
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2.
An act or process that preempts; a preventive or forestalling action; as:
The purchase of public land by the occupant.
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3.
An act or process that preempts; a preventive or forestalling action; as:
The temporary interruption of a task without its cooperation and with the intention of resuming it at a later time.
可数 不可数 计算机 工程 数学 -
4.
An act or process that preempts; a preventive or forestalling action; as:
The supersession of a conflicting law from a lower jurisdiction by an overlapping law from a higher jurisdiction.
可数 不可数 法律
词汇关系
上位词 2
下位词 1
词源
From Medieval Latin praeēmptiō (“previous purchase”), from praeemō (“buy before”), from Latin prae- (“before”) + emō (“buy”).
来源：wiktionary