区块链+智能制造：技术与应用：techniques and applications 光机电系统手册：技术和应用：techniques and applications 区块链：技术与应用：technology and application 智能制造：关键技术与企业应用：key technologies and applications 100Illustrator techniques and applications Data compression techniques and applications Data compression teehniques and applications 紫外光电子器件：氮化物技术及应用：technology and applications Physical metallurgy techniques and applications Econometric models techniques and applications