Principles of flight simulation 并列题名：Principles of digital communication 并列题名：Principles of Translation 并列题名：Principles of taxation 并列题名：Principles of animal nutrition 并列题名：Principles of composition 并列题名：Principles of public relations 并列题名：Principles of deformity correction 并列题名：Principles of communications 并列题名：Principle of Communication