Educational technology field needs experimental study. The important parts are selection of research title and experimental design.
教育技术领域需要实验研究，而实验研究最重要的就是研究课题的选择和实验设计。
Selection of raw materials, formulation design and influence factors on properties of the title epoxy - polyurethane insulating paint are introduced.
介绍了环氧聚氨酯绝缘涂料的原料选择、配方设计及性能影响因素，介绍了该产品的用途和性能指标。
Editors must improve their own qualities in the consciousness of information and prediction so as to do better in title selection and its design.
编辑应增强信息意识、超前意识等自身素质，做好选题的开发和设计。
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