Until 1964 there was the first all-transistor signal generator.
直到1964年才出现第一台全晶体管的。
Although invented in 1948, the first all-transistor computer did not become available until 1959.
虽然发明于1948年,但第一台全晶体管计算机直到1959年才成为现实。
But not yet: "There's a big step between making one transistor and making hundreds of millions of them that all work."
但是目前尚无法实现这一目标,因为“从制作一枚晶体管,到让数百万枚晶体管协调工作,尚有很大的障碍需要跨越。”
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