It usually involves with higher technology and science, producers of higher culture, many participators, a large spread circle and influencing effect, and longer spread effectiveness.
其表现形态是科技含量较高，参与制作人员文化程度较高，参与人员多，传播范围及影响面广，传播时效久。
It usually involves with higher technology and science, producers of higher culture, many participators, a large spread circle and influencing effect, and longer spread effectiveness.
其表现形态是科技含量较高，参与制作人员文化程度较高，参与人员多，传播范围及影响面广，传播时效久。
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