V2EX shim

Shim

Definition / 定义

shim(名词/动词)常指“垫片、楔片、薄垫”:一片薄薄的材料,用来垫高、校准、填缝或调整间隙,让零件更稳、更对齐。
在计算机领域也常见引申义:“兼容层/垫片层(shim layer)”,指夹在两层软件之间,用于适配或兼容的中间层。

Pronunciation / 发音

/m/

Examples / 例句

He put a shim under the table leg to stop it wobbling.
他在桌腿下面垫了一片垫片,让桌子不再晃。

The mechanic used a thin shim to adjust the clearance so the parts aligned precisely.
技师用一片很薄的垫片来调整间隙,使零件精确对齐。

Etymology / 词源

shim源自较早的英语用法,和表示“斜放、倾斜(shy)/楔入”的旧词形有关,后来逐渐固定为指用来“塞入、垫入”的薄片。现代工程与制造业中非常常用;在软件语境里,“shim”借用了“夹在中间以调整”的核心概念。

Related Words / 相关词

Literary & Notable Usage / 文学与著名用例

“shim”更常见于工程与计算机类的非虚构写作与技术文档中,尤其以 shim / shim layer / compatibility shim 的形式出现,例如:

  • Windows Internals(常讨论应用兼容机制中的“shims”概念)
  • The Linux Programming Interface(在谈及兼容/抽象层时常会用到“shim layer”一类表述)
  • O’Reilly 的 Linux Device Drivers(涉及内核/驱动接口适配时常会用到“shim”这一术语)
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