The diffuse necking and localized necking in the tensile testing of sheet is proved through reseau strain analysis.
通过拉伸过程应变网格分析，验证了薄板拉伸分散性失稳和集中性失稳的存在。
2
Chest laboratory work, the chest materials testing, sheet resistance scratches.
衣柜实验室工作，对衣柜所需原材料测试，板材耐划痕。
3
The loss factor of the laminated steel sheet is of larger testing value than the calculating value, but their dependence on temperature is in good accordance with each other.