In the search engine market in China, there exists direct network effect, indirect network effect, Matthew effect and herding effect.
我国搜索引擎市场存在着直接网络效应、间接网络效应、马太效应、羊群效应等市场规律。
It also verifies from theory to practice that quantity regulation technology may be applied to the original water network in indirect heating and much effect on energy saving is obtained.
对于间接供暖，从理论到实践验证了在一次水管网中应用量调节技术，并取得良好的节能效果。
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