belt transect

例句：

1. 1. The belt transect was used to measure the thickness ofthe material.
   用腰带横切面来测量材料的厚度。
2. 2. The belt transect revealed acomplex structure within the rock.
   腰带横切面揭示了岩石内部的复杂结构。
3. 3. The belt transect was crucial in determining the strength ofthe material.
   腰带横切面在确定材料强度方面至关重要。