There are some activity and element nodes that can only contain activities.
存在一些只能包含活动的活动节点和元素节点。
Contain nanoscale natural active pearl essence, characterized by high activity, high absorption and full nutrition.
采用纳米级的天然活性珍珠精华，具有高活性、易吸收、全面营养等特点。
Human's material productive activity and moral spirits contain each other.
人类的物质生产活动与道德精神是相互蕴涵的。
Human's material productive activity and moral spirits contain each other.
人类的物质生产活动与道德精神是相互蕴涵的。
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