macroscopic cross section

例句：

1. 1.The researcher conducted a macroscopic study on the effects of climate change on agriculture.
   研究员进行了一项关于气候变化对农业影响的宏观研究。
2. 2.The team decided to adopt a macroscopic approach to solving the problem.
   团队决定采用宏观的方法来解决问题。
3. 3. The scientist observed the microscopic structure of the cell using a microscope.
   科学家使用显微镜观察细胞的微观结构。