A timeron does not directly equate to any actual elapsed time, but gives a rough relative estimate of the resources (cost) required by the database manager.

timeron不直接等于真正的消耗时间，但是对数据库管理器所需的资源(成本)给出了一个相对粗略的估算。

youdao

A timeron does not directly equate to any actual elapsed time, but gives a rough relative estimate of the resources (cost) required by the database manager.

timeron不直接等于真正的消耗时间，但是对数据库管理器所需的资源(成本)给出了一个相对粗略的估算。

youdao