| 释义 |
first generationn.（名词）- Persons who have left one country and settled in another.第一代：离开一个国家到另一国定居的人
- Persons whose parents are immigrants.移民后裔：父母为移民的人
- Computer Science The period of computer technology during the late 1940's and early 1950's, when computers were built with vacuum tubes.【计算机科学】 第一代：指20世纪40年代后期和50年代早期计算机技术的发展阶段，那时计算机用真空管做成
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