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933.2 Amorphous Solids;712.1.2 Compound Semiconducting Materials;714 Electronic Components and Tubes;715.1 Electronic Equipment, non-communication;722.1 Data Storage, Equipment and Techniques;931.2 Physical Properties of Gases, Liquids and Solids;933.1 Crystalline Solids;704 Electric Components and Equipment;633.2 Vacuum Equipment;633 Vacuum Technology;547.2 Rare Earth Metals;543.4 Tantalum and Alloys;537.1 Heat Treatment Processes;701.2 Magnetism: Basic Concepts and Phenomena 1 Environmental Sciences & Ecology 1 Science & Technology - Other Topics (Provided By Clarivate Analytics) 1
生态研究 1 生物科学::植物学 1 畜牧、动物医学、狩猎、蚕、蜂 1
矿床地质 1

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