These processes have no direct impact on the user experience, and the system can kill them at any time to reclaim memory for a foreground, visible, or service process.
这些进程对用户体验没有直接的影响，系统可能在任意时间终止它们，以回收内存供前台进程、可见进程及服务进程使用。
This direct access from the underlying service component is recommended only in special cases where enabling access by wrapping each legacy system with a service adaptor is not possible.
只有在不可能通过服务适配器包装每个遗留系统来进行访问的情况下，才建议从基础服务组件进行直接访问。
These actions involve direct interaction between users and back-end systems (Order Processing system) and indicate a Self-Service business pattern.
这些操作包括指导用户与后端系统(预定处理系统)进行交互，并指定一个自服务(Self - Service)的业务模式。
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