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无机非金属材料专业外语

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发生变形不断裂、去掉外力后又不恢复原形的能力。Р2.1 Grammar FeaturesР(2)广泛使用非谓语形式Р非谓语动词在句子中可以起到名词,形容词或副词作用,动词的非谓语形式分为动名词,分词,动词不定式。Р①动名词Р用动名词短语取代时间从句或简化时间陈述句РThe material should be pre-treated before it is processed.Р2) An object es hot when it is placed in the sun.РOnce being placed in the sun, an object es hot.Р物体放置在太阳下会变热。РThe material should be pre-treated before being processed.Р加工前,需对材料进行预处理。Р(精炼)Р2.1 Grammar FeaturesР3) We must do various experiments before a posite material is designed.РBefore designing a posite material we must do various experiments.Р在设计一个新的复合材料之前,我们必须做各种实验Р用动名词短语做主语Р4) Coating a dormant(inert) material on the surface of metal is a method for controlling the rate of corrosion.Р金属表面镀上惰性材料是控制腐蚀速度的一个方法Р5) Conducting electricity means the flow of electrons through an object.Р传导电流意味着电子在物体内的流动

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