说明:北京CAD行业相关产业有哪些?主要分布如下:Software占7.8%,C A D / C A M占7.6%,Informatization Construction占4.6%,Law Firm/Legal Services占3.2%,Design Software占3.2%,Big Data占2.5%,Automation占2.5%,Automation Technology占2.5%,Simulation占2.1%,Simulation Technology占2.1%,根据企业库算法分析,仅供参考。