“中国城市职能与类型”的概念、定义、翻译、参考文献-科学参考

单词	中国城市职能与类型
释义	中国城市职能与类型 Encyclopedia 理学中国城市经济基础释 urban function and type of urban function in China中国城市职能与类型从作为社会实体的城市、物资实体的城市、经济实体的城市三个主要方面可以划分为四种类型，即以行政职能为主的综合性城市、以贸易流通职能为主的城市、以交通职能为主的城市和以工业职能为主的城市。
随便看	frequency sensitive starter frequency sensitivity frequency shift frequency-shift keying frequency-shift keying, FSK frequency-shift keying modulation and demodulation frequency shift of scattering light frequency shift theorem frequency-shift track circuit frequency-size distribution frequency spectrum frequency stability frequency stability criterion frequency stability measurement frequency stabilization frequency stabilized laser frequency standard frequency standards frequency step frequency sweep mode frequency swept laser frequency switching frequency synchronization frequency synthesis frequency synthesized signal generator

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