This result is known as the Bohr correspondence principle.
这样的结果通称为玻尔对应原理。
In fact, the business correspondence has whose peculiar writing principle.
实际上，商业书信有其特殊的写作原则。
And its principle, correspondence system and software system are mainly discussed.
重点给出系统总体设计及原理、通信系统设计、系统软件设计。
And its principle, correspondence system and software system are mainly discussed.
重点给出系统总体设计及原理、通信系统设计、系统软件设计。
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