Soon, electronic components began to shrink. And the early electronic calculators were developed.

很快，电子元器件开始变小了。早期的电子计算器被研发了出来。

This low and U.S. electronics industry allowed Japanese companies like Sharp and Casio to dominate the breakout computing product of the 1970s, hand-held electronic calculators.

这种低迷的美国电子行业让夏普和卡西欧等日本公司主导了 1970 年代突破性的计算产品，即手持式电子计算器。