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1. This photoelastic equipment is used to measure the stress in materials during deformation.
这种光弹性设备用于测量材料在变形过程中的应力。
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2. The engineers used this photoelastic equipment to analyze the stress distribution in the structure.
工程师们使用这种光弹性设备来分析结构中的应力分布。
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3. The research team developed a new photoelastic equipment that can detect defects in metal parts more accurately.
研究团队开发了一种新型光弹性设备，能够更准确地检测金属部件的缺陷。