甚至有些 IBM 机器（如 IBM 129）有创建特殊程序来执行自动化编号的方法，不需要人工干预。

There were even IBM machines (like the IBM 129) that had a way to create special programs to perform automatic numbering without human intervention.

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方法收集国内9株人工肝细胞系，分别编号为细胞系1- 9（CL1-9）。

Methods 9 human liver cell lines were collected, and named separately from 1 to 9 (Cell Line 1 to Cell Line 9, abbreviated as CL1 to CL9).

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