Understanding GPS principles and applications Understanding GPS: principles and applications 并列题名：Investment principles and applications Understanding GPS/GNSS principles and applications 并列题名：Rockbolting: principles and applications 并列题名：Social media : principles and applications 并列题名：Managerial economics principles and applications 并列题名：Database principles and applications 并列题名：Visual servo principles and applications 书名原文:Drainage principles and applications