例句與造句

1. Some transport layer protocols, for example TCP, but not UDP, support virtual circuits, i . e . provide connection oriented communication over an underlying packet oriented datagram network.
2. The ports were driven by the Zilog SCC, which could serve as either a standard UART or handle the much more complicated HDLC protocol, which was a packet oriented protocol that incorporated addressing, bit-stuffing, and packet checksumming in hardware.
3. It's difficult to find packet oriented in a sentence. 用packet oriented造句挺難的