Comptometer
01
计算器, 机械计算器
a mechanical calculator developed in the late 19th century, featuring multiple rows of keys corresponding to digits
例子
In the early 20th century, offices relied on comptometers for fast and accurate calculations of financial data.
在20世纪初，办公室依靠计算器进行快速而准确的财务数据计算。
The accountant efficiently computed large sets of numbers using a comptometer during the 1950s.
会计在20世纪50年代使用计算器高效地计算了大量数字。
