管理策略是管理智能的抽象，与具体的网络设备无关，因此保证了管理的可靠性和一致性。

Being the abstract of management intelligence and independent of the concrete devices, management policy can guarantee the dependability and consistency of management.

youdao

WPF图形系统使用与设备无关的单元来支持分辨率和设备无关性。

The WPF graphics system USES device-independent units to enable resolution and device independence.

youdao