在历史上，这些都是由构建程序控制表(PCT)的宏定义的，但是，如今在资源定义联机(rdo)数据库的TRANSACTION定义中进行定义。

Historically, these were defined by macros which built a Program Control Table (PCT), but are nowadays defined in TRANSACTION definitions within the resource definition online (RDO) database.

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从历史上看，通过宏命令来定义事务id，这些宏命令创建程序控制表(Program Control Table, PCT)，但是目前是在在线资源定义数据库(resource definition on - line, RDO)内部的TRANSACTION定义中定义事务id。

Historically, these were defined by macros which built a Program Control Table (PCT), but are nowadays defined in TRANSACTION definitions within the resource definition on-line (RDO) database.

youdao