日本总合生产技术研究所根据该所收集的材料,发表了1957年1月至1961年2月底这四年另两个月期间内,日本的电子计算机的订货与安装情况。根据统计结果,日本有150家公司订购或安装了电子计算机,订货量为171台,安装量为109台,总计280台,其中国外进口的机器有184台,日本自产的96台。图1是日本计算机的增长情况。由图可以看出,自59年10月 Based on the materials collected, the Japan Institute of Manufacturing Technology published the ordering and installation of electronic computers in Japan during the other two-month period from January 1957 to the end of February 1961. According to the statistics, 150 companies in Japan ordered or installed electronic computers with an order quantity of 171 units and 109 units with a total of 280 units, of which 184 were imported from abroad and 96 were produced by Japan. Figure 1 shows the growth of Japanese computers. As can be seen from the figure, since October 59