The extension of a length called the gauge length is studied during the test.
2
标距长度和试样在直径减少处的横截面面积之间有固定的关系。
There is a fixed relationship between the gauge length and the cross-sectional area of the test-piece at the reduced diameter.
3
被称为标距长度的这段长度延伸问题将在测试进行时研究。指示标距长度的端点的各个点称为标距点。
The extension of a length called the gauge length is studied during the test. The points that indicate the ends of the gauge length are called the gauge points.