This report summed up the new achievements made in electron tubes, semiconductors and components.
本报告总结了电子管、半导体和元件三方面的新成就。
The report summed up the new achievements made in electron tubes, semiconductors and components.
这篇报告总结了电子管、半导体和元件三方面的成就。
The report summed up the new achievements made in electron tubes, semiconductors and components.
这篇报告总结了电子管、半导体和元件三方面的成就。
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