在此基础上，对科技传播机理进行了分析，为后面科技传播障碍研究作了理论上的准备。
And this is the preparation of further study on obstacles of scientific and technical commutation.
新技术降低了传播费用并撤除了绝大多数的入门障碍。
New technology has cut costs and demolished most barriers to entry.
现在抑郁症是一种最广泛传播许多人的精神障碍的病。
Nowadays depression is one of the most widely spread mental disorders of many people.
现在抑郁症是一种最广泛传播许多人的精神障碍的病。
Nowadays depression is one of the most widely spread mental disorders of many people.
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