The one I have is called micro code.

我的一个被称为微代码。

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Warning! No micro code update loaded for processor n.

警告！未装载处理器n的微代码更新。

youdao

Code discriminator is the core of a micro code-lock, a safety device on very important occasions. The design of code discriminators is based on UQS technology.

姜勇陈文元张卫平李胜勇微机械密码锁是一种用于重要场合的安全保险装置，其鉴码机构的设计基于UQS技术。

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In recent years, they have found ways to encode trademarks in cells and poetry in bacteria, as well as store snippets of music in the genetic code of micro-organisms.

WSJ: Scientists Store King Speech, Shakespeare Sonnets in DNA

For example, once the code-morphing software has translated a particular chunk of x86 code into micro-ops it can store the translated chunk in a special memory to avoid having to translate it again.

ECONOMIST: Transmetamorphosis