The control flow (i.e., the sequencing of these invocations) is implicit and emerges as the rules fire off.
控制流(例如这些调用的顺序)是隐式的，并在规则触发时显现出来。
2
Structured activities: for managing the overall process flow for sequencing of activities, parallel processing of activities, and adding conditional logic in controlling the process flow.
The tests first flow water or other inert substances through the laser to verify its integrity. Next, the laser\'s chemicals flow through the laser to confirm sequencing and control.