例句與造句

1. Before the development of SSRS, commercial shipping was reliant on the Ship Security Alerting System ( SSAS ) that contributes to the International Maritime Organisation s initiative to improve maritime security through the Safety of Life at Sea ( SOLAS ) convention and, more recently, through the International Ship and Port Facility Security Code ( ISPS ).
2. It's difficult to find security alerting system in a sentence. 用security alerting system造句挺難的