These three forms of activity compose the mental educational activity system together.

三种活动形式共同构成心理教育活动体系。

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Eco-tourism is a new developing tourist activity system with strong vitality and abundant intension in the world.

生态旅游是全球新兴的具有强大生命力而内涵丰富的旅游活动体系。

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The article mainly summarized the natural antibacterial activity system in milk-the lactoperoxidase system's antibacterial mechanism and effective application for the preservation of milk.

综述了牛奶中的天然抗菌活性体系——乳过氧化物酶体系的抗菌机理及其在牛奶保鲜中的有效应用。

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The Cognitive Engine represents the core module of the Extended Activity Reasoning system (EAR) in the CMU-Minds Eye architecture.

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Both drugs turn off a natural brake on immune system activity called CTLA4 (cytotoxic T-lymphocyte antigen 4).

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So remember most of the activity on the system is dark.

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