大学时日本某校和俺校是姊妹校，一个叫神原的同学来校交流回日后，给俺寄个计算器，单据上日语叫电卓，显示是发光二极管。

来源: 排量有限于 2025-07-24 11:41:59 [旧帖] [给我悄悄话] 本文已被阅读：次

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