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科学是反映客观世界及其运动规律的知识体系。
Science is a knowledge system reflecting the objective world and its pattern of movement.
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从我国小学科学教材的知识体系构成；
From our primary school science textbook knowledge composition;
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从我国小学科学教材的知识体系构成；
From our primary school science textbook knowledge composition;
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