longitudinal differential

例句：

1. 1. The longitudinal axis of the Earth runs from west to east.
   地球的纵轴从西向东延伸。
2. 2.The longitudinal section of the road is straight and wide.
   这条路的纵向部分是直且宽的。
3. 3.The longitudinal growth of the plant is due to its ability to absorb water and nutrients.
   植物的纵向生长是由于其吸收水分和养分的能力。