英语语法分析

Most riverine accidents had nothing to do with them.

河边发生的大部分事故与它们无关。

Sanhe wetland, which is a typical riverine wetland, locates in east region of Guanzhong Plain in Shaanxi province.

陕西三河湿地位于陕西关中平原的东缘，是典型的河流湿地。

In addition, carbon and nitrogen isotope and its ratio was important indicator in the riverine biogeochemistry study.

另外碳氮同位素及其比值在当前的河流有机质生物地球化学研究中仍起着非常重要的示踪作用。