Subprocesses are defined components of a larger defined process. 子過(guò)程是更高級已定義過(guò)程的已定義的模塊。
The subprocesses themselves may be further decomposed as necessary into other subprocesses and process elements. 這些子過(guò)程本身也可適時(shí)的進(jìn)一步分解為其他子過(guò)程或過(guò)程元素。