并列题名：RoI:Practical theory and innovative appeications 本书原名:RoI:Practical theory and innovative appeications RoI:Practical theory and innovative appeications RoI:Practical theory and innovative appeications. 并列题名：Fractal theory and its applications 并列题名：Algebraic K-theory and its applications 并列题名：Political theory and international relations Fractal theory and its applications 并列题名：Antenna array theory and engineering applications 并列题名：T-norm theory and its applications