• Since human society enters 21 centuries, science technology's quickly developing and information ages' coming make all nation faced with the competition from the knowledge-based economy.

    人类社会进入21世纪以来科学技术飞速发展,信息时代到来使一个国家都面临着知识经济竞争

    youdao

  • Since human society enters 21 centuries, science technology's quickly developing and information ages' coming make all nation faced with the competition from the knowledge-based economy.

    人类社会进入21世纪以来科学技术飞速发展,信息时代到来使一个国家都面临着知识经济竞争

    youdao

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