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包括58~71号镧系元素铈、镨、钕、钷、钐、铕、钆、铽、镝、钬、铒、铥、镱和镥,90~103号锕系元素钍、镤、铀、镎、钚、镅、锔、锫、锎、锿、镄、钔、锘和铹,一共28种化学元素。又称内过渡元素。
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Human Information Interaction: An Ecological Approach to Information Behavior
human information processing model
human-in-loop simulation
human intelligence network
Humanism
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humanistic approach to teacher education
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