notched tensile specimen

例句：

1. 1. The engineer used a notched tensile specimen to test the material's strength.
   工程师使用一个切口拉伸试样来测试材料的强度。
2. 2. This notched tensile specimen is designed to simulate real-world loading conditions.
   这个切口拉伸试样是为了模拟现实世界的加载条件而设计的。
3. 3.The researcher analyzed the data from the notched tensile specimen to determine the material's properties.
   研究者分析了切口拉伸试样的数据，以确定材料的性质。