Enables or disables query plan tracing, also known as a plan tree, which captures the transformation process of a query.

启用或禁用查询规划跟踪，也称为规划树，它捕获一个查询的转换流程。

youdao

The theory and practice of realizing the plan progress control of basic construction process and tracing management with computer technology were introduced.

介绍了应用计算机技术实现基本建设过程计划进度控制和跟踪管理的理论及实践。

youdao

Carry out close cooperation with the other departments, analysis and establish the improved plan, implementing, tracing result.

与其他生产部门紧密合作，分析并建立提升计划，执行并追踪结果。

youdao

Mr Taylor also said "homecomers" enjoyed a richer experience if local people, museums and businesses have knowledge about the process of tracing family trees and were able to plan how to meet the needs of visitors.

BBC: North Highland College launches online ancestry courses

He said federal laws don't require the tracking and tracing of medicines, though companies are developing a plan, and California has a law that starts taking effect for manufacturers in 2015 .

WSJ: Fakes Infiltrate Injectable Drugs