这个关系的重要性在于提供高的屈服和拉伸强度。
The significance of this relationship is providing for high yield and tensile strengths.
珠光体轨道钢是目前我国铁路轨道采用的主要钢种，其性能特点是抗磨损性能好，屈服强度高。
The pearlitic rail steel was widely used as rail track in China for its prominent performance in anti-wearing and high yield strength.
其目的是获得高的屈服强度，弹性极限和较高的韧性。
The aim is to obtain a high yield strength, elastic limit and high toughness.
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