linear thickness

例句：

1. 1. The steelbeam is too thick, which makes itdifficult to bend.
   这个钢梁太厚了，很难弯曲。
2. 2. The thin film hasa linear thickness of only 50nanometers.
   这种薄膜的线性厚度只有50纳米。
3. 3. The thickness of thematerial can affect its performance and durability.
   材料的厚度会影响其性能和耐用性。