sequential groups造句

The results of the observations were divided into sequential groups according to the observation years and reduced into a corresponding annual catalog.
A handful of the involved IPs are based in the same area Cranford, New Jersey while the other IPs are a sequential group at New York University.
If a message is actually the final message in a sequential group of messages, each separated by, the final message-separator prosign is usually followed by a single letter " N ", signifying " no more ", e . g . the final message in a sequence of messages is usually followed by the Morse symbol sequence N.
It's difficult to find sequential groups in a sentence. 用sequential groups造句挺难的