10Chagas MHN, Tumas V, Loureiro SR, et al. Validity of a Brazilian version of the Zung self-rating depression scale for screening of de- pression in patients with Parkinson's disease [ J]. Parkinsonism Re- lat Disnrd, 2010, 16(1) :42 -45.
4Guang yao Cheng,Hou fang Sun,Jian ping Ci.Research and Realization of PDM-based Intelligent CAPP System[J].Machinery Design & Manufacture,2003(6):16-18.
5Guang yao Cheng, Hou fang Sun, Jian ping Ci.Research and Realization of PDM-based Intelligent CAPP System[J ].MachineryDesign&Manufacture, 2003(6):16-18.
6C.Ou-Yang and T.A.liang,developing an Integration Framework to Support the Information Flow Between PDM and MRP,Advanced Manufacturing Technology, 2002(19) : 131 - 141.
