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农作物 4 Physics 3 植物保护 2
Astronomy & Astrophysics 1 Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy 1 Materials Science, Ceramics 1
Science & Technology - Other Topics 1 Structural Design, General; Structural Members and Shapes;Strength of Building Materials; Mechanical Properties; Foundations;Mathematics; Mathematical Transformations 1 天文仪器、天文技术与数据 1
心理学 1 畜牧、动物医学、狩猎、蚕、蜂 1 考古学 1

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