10ZHAO Haibin~1 WANG Junying~1 ZHANG Min~2 (1.Department of Precision Instruments & Mechanology,Tsinghua University,Beijing 100084,China, 2.Department of Mechanical Equipment & Control Engineering,Beijing University of Science and Technology,Bejing 100083,China).A Novel CAPP System Based on SML for Variant Design of Process Planning[J].武汉理工大学学报,2006,28(S3):820-823.