【单选题】【消耗次数：1】
计算机在教学上主要应用是计算机辅助教学和
①
利用计算机自学
②
计算机辅助设计
③
计算机联网
④
计算机管理教学
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通过计算机网络，将计算机辅助设计、计算机辅助规划以及计算机辅助制造，统一连接成一个大系统称为（ ）
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顺序控制系统
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计算机集成制造系统
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