例句與造句

1. The RTC has the ability to line routes and give permissive signal requests to the system in the field from a central location.
2. Data transfers from the coordinator usually follow device requests : if beacons are in use, these are used to signal requests; the coordinator acknowledges the request and then sends the data in packets which are acknowledged by the device.
3. It's difficult to find signal request in a sentence. 用signal request造句挺難的