请给出下列机电行业参见缩写的完整英文和中文意思 CAD______ CAM ______ CAPP ______ CAE ______ NC ______ PDM______ FEM______ FEA______ PLM______ MIS______ CRM______ ERP______ MRP______ MRP II______ FMS______ SCM______ BOM______ JIT______ MES______ OA ______ VM ______ CIMS______