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盐成土
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盐成土
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盐成土
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盐成土
在各种自然环境因素(包括气候、地形、水文和水文地质等)和人为活动因素综合作用下,盐类直接参与土壤形成过程,并以盐渍化或盐碱化过程为主导作用而形成的土壤类型。是中国土壤系统分类中14个土纲之一。
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Regulations on the Management of Pig Slaughtering
Regulations on the Management of Police Vehicles
Regulations on the Management of Scientific and Technical Archives
Regulations on the Management of Veterinary Drugs
regulations on the poor-aiding by the public welfare granary
Regulations on the preservation of places of interest and antiquities
Regulations on the Prevention and Treatment of Pneumoconiosis of the People's Republic of China
regulations on the prevention of geological disasters
Regulations on the protection of famous historical and cultural cities, towns and villages
Regulations on the Protection of Road Safety
Regulations on the Protection of the Right of Communication of the People's Republic of China
Regulations on the Publication of Audio and Video Products
Regulations on the Publication of Books
Regulations on the Publication of Newspapers
Regulations on the Publication of Periodicals
Regulations on the Publishing of Electronic Publications
Regulations on the Qualification of Publishing Professionals
Regulations on the Registration of Computer Software Copyrights
Regulations on the Reproduction and Conservation of Fisheries Resources
Regulations on the Safety Control of Civil Explosives
Regulations on the Selection and Appointment ofParty and Government Leading Cadres
regulations on the submission of archives by the local government in Tang Dynasty
Regulations on the Supervision and Administration of Medical Devices
Regulations on the Use of Police Ordnance and Weapons by Police in the People's Republic of China
Regulations on the Work of Grassroots Organizations in Colleges and Universities of Communist Party of China
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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