以下为句子列表：
英文: 5 Soil and Substrate Management: Soil and substrate fumigation has to be justified and recorded. Erosion control techniques have to be in place.
中文: 生产地历史与管理：对新生产地的适用性进行核查。实施农田和温室的识别系统。
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英文: A coating or covering on the surface of a living or nonliving substrate composed of organisms like bacteria, protozoa and algae.
中文: 由微生物、原生动物、藻类等于生物体或非生物体表面之薄层覆盖物。
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英文: A covalent enzyme-substrate intermediate with saccharide distortion in a mutant T4 lysozyme.
中文: 在一个群从变型T4溶菌酶中的一个带有糖变形的共价酶－底物中间物。
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英文: A new type thick -film circuit heatin g -element is introduced and the main technology is expounded,including the requireme nt and performance of substrate mate rial and electro -pastes.The process of heating -element is intro duced too.At last,the applic
中文: 介绍了基于不锈钢基板的大功率密度厚膜电热元件的研究现状,并对厚膜电路式电热元件的关键技术进行阐述,包括大功率密度电热元件所用基板材料和基于基板的电子浆料的使用要求,以及电热元件的制备工艺;最后分析了该新型电热元件的应用前景和所要解决的问题。
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英文: A pattern structure in substrate can be formed through connecting many small concave spherical structures formed by chemical etching.
中文: 通过腐蚀，硅衬底上会出现一组凹球面状的微结构，具有一定轮廓特征的微结构可以由一组这样的凹球面微结构拼接而成。
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