技术创新扩散是社会性过程。
农业品种技术创新的过程特征是：多环节、关联性、制约性和双向性。
The course characteristic of agricultural variety technological innovation are: Multiple - link, correlation, conditionality and two-way.
网络技术创新是一个系统演变的进性过程。
The network technological innovation is a course step by step of systematize evolution.
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