These features involve : ( 1 ) scaffolding and support for meta - cognitive processes ; ( 2 ) peer interaction paradigm ; ( 3 ) multiple zones of proximal development ; ( 4 ) decentralized and open knowledge building ; and ( 5 ) knowledge - learning community 这些特色包括：提供后设认知过程的鹰架与支持、同侪互动的典? 、多重的邻近发展区、分散与开放的知识建立、知识学习的社区。
