提交读，未提交读，可重复读，可串行读。

Read committed, Read uncommitted, Repeatable Read, Serializable.

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提出了一种采用单读码器件的串行编码绝对式光学编码器，介绍了其工作原理和基本结构。

The presented absolute optical encoder is based on a serial encoding method with single code detector. Its working principle and structure is described.

youdao

准将64向该软驱发送命令，它会将它们在本地执行，进行读文件等操作，然后通过一条专有串行总线，将数据发送给准将64。

The C-64 would send commands to the drive which in turn would then execute them on its own, reading files, and such, then send the data to the C-64, all over a propriatory serial cable.

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