例句與造句

1. Support for NSFNET end-users was provided by the NSF Network Service Center ( NNSC ), located at BBN Technologies and included publishing the softbound " Internet Manager's Phonebook " which listed the contact information for every issued domain name and IP address in 1990.
2. It's difficult to find nsf network service center in a sentence. 用nsf network service center造句挺難的