促进医学学术期刊的循环传播，稳定媒介生态系统。
The last is promoting the circulating communication of the medical academic periodical, try to stabilize the media ecology system.
而是说，每种媒体在媒介生态系统中各有千秋，相互补充。
Rather, I'm simply pointing out that each has its place in the media ecosystem.
全文具体按照以下步骤推演：确立电视新闻媒介生态系统的基本构型；
Steps of argument are as follows: Make certain the composition of TV news media ecological system;
因此，生态系统以生物及其活动作为媒介，涉及能量和物质的循环、转化和积累。
Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
调节医学学术期刊媒介传播生态系统的结构和功能使其达到系统最优结构和最高功能，实现最大的社会效益和经济效益。
It also want to regulate ecology system structure and function of medical academic journals to achieve its best structure and function, to realize the greatest social and economic benefits.
植物与其它有机体种间存在着通过次生物质为媒介的化学作用，这些化学作用在农业生态系统中则表现为植物对有害生物的化学防御。
There are chemical interactions manipulated by plant secondary metabolites between plant and other organisms, which act as plant chemical defense on pests in cropping ecosystems.
媒介生态学将人类社会视为一个生态系统，而将媒介与受众视为存在其中的生物因素。
Media ecology of human society as an ecosystem, and the media will be there with the audience as the biological factors.
媒介生态学将人类社会视为一个生态系统，而将媒介与受众视为存在其中的生物因素。
Media ecology of human society as an ecosystem, and the media will be there with the audience as the biological factors.
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