fallback method造句

For many years, higher-speed modems retained the ability to emulate the Bell 103, allowing a fallback method for data to be communicated at low speed if channel conditions deteriorated.
Ideally, ES : DI is passed on, but PnP-enabled operating systems typically also have fallback methods to retrieve the PnP BIOS entry point later on so that most operating systems do not rely on this.
Ideally, ES : DI is passed on to the VBR for later use by the loaded operating system, but PnP-enabled operating systems typically also have fallback methods to retrieve the PnP BIOS entry point later on so that most operating systems do not rely on this.
This is due to two factors : firstly, IPv6 transport is much improved, so that the underlying error rate is much reduced, and secondly, that common applications such as web browsers now use fast fallback methods such as the " Happy Eyeballs " algorithm to select whichever protocol works best.
It's difficult to find fallback method in a sentence. 用fallback method造句挺难的