Agroecology examines the connection between agricultural crops and the environment.农业生态学考查农作物与环境之间的关系.Geoponics and agroecology are two independent disciplines with close relations.耕作学与农业生态学是两门独立的学科,且彼此间密切相关.This website...
For many, their long-awaited homecoming was a bitter disappointment.对许多人来说，他们期盼已久的还乡之行却令他们大失所望。She bore the homecoming queen tiara to school.她戴着返校节最漂亮女生的皇冠到学校.Every facility was laid on to ease their homecoming.动用了一切设施以缓...
A polyamide imide was synthesized from trimellitic anhydride and di isocyanate.本文用偏苯三酸酐和二异氰酸酯合成了一种新型聚酰胺酰亚胺.The paper introduces the product of class H polyester - imide solventless impregnating varnish.本文介绍一种不饱和聚酯亚胺类型的H级...
分析了熔炼电炉钢制造的铝型材热挤压模的失效原因及影响因素.The causes of lose effectiveness of aluminum profile hot extrusion die made - smelted steel are analyzed.按冶炼方法,钢可分为 平炉 钢 、 转炉钢和电炉钢.By refining methods steels can be divided open - hearth furn...