Scientific inquiry and knowledge construction are the two aspects of it.
科学探究和知识的建构是一个统一体的两个侧面。
Guidance of construction material cost price inquiry, pricing of work and identify price.
指导工程装修材料成本的询价、定价和鉴定工作。
Guidance of construction material cost price inquiry, pricing of work and identify price.
指导工程装修材料成本的询价、定价和鉴定工作。
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