The middle school students in the social transition stage are facing complex cultural ecological environment and the value choice of pluralistic cultures.

处在社会转型时期的中学生，面对着复杂的文化生态环境和多元文化的价值选择。

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Nowadays, the media ecological environment includes five sides, which are social environment, institution environment, cultural environment, marketing environment and technical environment.

媒介生态环境包括：社会环境、制度环境、文化环境、市场环境、技术环境五个方面。

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Nowadays, the media ecological environment includes five sides, which are social environment, institution environment, cultural environment, marketing environment and technical environment.

媒介生态环境包括：社会环境、制度环境、文化环境、市场环境、技术环境五个方面。

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