1.前言日本混凝土公司从1965年起开始应用电子计算机来处理商品混凝土的销售。1972年在混凝土工厂与公司设置了终端机,并采用通信线路与大型电子计算机相连的联机系统。下面对计算机在商品混凝土工厂中的应用作简要说明。 1. Foreword The Japanese concrete company began using electronic computers to handle the sale of commercial concrete since 1965. In 1972, a terminal was set up at a concrete factory and company, and an on-line system connected to a large-scale computer using communication lines was adopted. The following is a brief description of the use of computers in commercial concrete factories.