This policy addresses the concerns about what in a descendant stream may be different, and how long it may remain different from its ancestor.
本政策处理了后代流中有什么是不同的,以及它与起始之间将会维持多长时间的差异性。
2
The same policy questions apply at the project-to-practitioner stream interface.
相同的政策问题适用于项目-执行者流的接口。
3
Again, it is a policy decision as to whether this is performed by the ancestor stream managers (pushing changes downward) or by the descendant stream managers (pulling changes downward).