The first transistor was about the size of the palm of a hand, with a depth of two matchbooks stacked on top of each other.
第一个晶体管的大小约为手掌大小，有两个叠起来的火柴盒那么高。
The first transistor was about the size of the palm of a hand, with a depth of two matchbooks stacked on top of each other.
第一个晶体管的大小约为手掌大小，有两个叠起来的火柴盒那么高。
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