It was pointed out that toughening by non-elastomer materials broadened the research field and toughening by nano-particle created a new direction for study on modification of PS.
非弹性体增韧拓展了PS增韧改性研究的新领域，纳米粒子增韧开辟了PS增韧改性研究的新方向。
It was pointed out that toughening by non-elastomer materials broadened the research field for modification of polymers and toughening by nano-particle created a new study direction of the polymers.
指出非弹性体增韧拓展了高分子材料增韧改性研究的新领域；纳米粒子增韧开辟了高分子材料的研究新方向。
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