请帮忙看一下这个英语句子有没有语法错误?Photosynthetic diurnal variations of Fraxinus chinenesis under the treatments that slag and sand was set at the bottom of tree pits as the salt-isolated layer in the field were measured.
问题描述：
请帮忙看一下这个英语句子有没有语法错误?
Photosynthetic diurnal variations of Fraxinus chinenesis under the treatments that slag and sand was set at the bottom of tree pits as the salt-isolated layer in the field were measured.
答
没有错误啊
答
没有语法错误
答
没有语病：
意思是：
在树坑的底部区域放置炉渣和沙子作为盐水的隔离层,已测得在该处理下梣属荔枝光合作用的日变化.