And they then wrote code, usually machine code, sometimes binary code, which was then sent by mail to a data center to be punched onto paper tape or card and then re-punched, in order to verify it.
然后她们写代码,通常是写机器代码,偶尔写二进制代码,这些代码通过邮件,被寄到数据中心,打在纸或卡片上, (那时的程序是通过在纸上的孔来让计算机读取的)反复打孔,确保无误。