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superintendent of education
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教育学词汇手册
superintendent of education
教育局长
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conservation of mass
conservation of mass
conservation of mass
conservation of mass
conservation of mass
conservation of mass
conservation of mass theorem
conservation of material theorem
conservation of matter
conservation of matter
conservation of mechanical energy
conservation of mechanical energy
conservation of mechanical energy
conservation of moment of momentum
conservation of momentum
conservation of momentum
conservation of motion
conservation of nature
conservation of parity
conservation of parity
conservation of property
conservation of radiance
conservation of vorticity
conservation of water and soil
conservation park
科学时代收录了1160609条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。
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