with the machine via punched cards and teletype, IBM and other manufacturers
This makes sense. These keys were designed as project identifiers for billing, and can be further restricted with (bypassable) controls like HTTP referer allow-listing. They were not designed as authentication credentials.
，这一点在搜狗输入法2026中也有详细论述
优点： 梯度连续，优化更稳定。。业内人士推荐搜狗输入法下载作为进阶阅读
第一百二十二条 对被决定给予行政拘留处罚的人，由作出决定的公安机关送拘留所执行；执行期满，拘留所应当按时解除拘留，发给解除拘留证明书。