Logistics companies use computer-aided routing to maximize efficiency.物流公司采用计算机辅助设计发货路线,以达到最大效率。Drawing offices may use PCs for computer-aided design.制图室可以使用个人计算机进行计算机辅助设计。CAD and desktop publishing continue to be improved with ever new and faster PCs.电脑辅助设计和小规模出版业随著日新月异的个人电脑而改进。