英语语法分析

However, the quantitative interpretation for stable isotope in speleothem needs further research.

洞穴石笋稳定同位素的定量解译尚需进一步研究。

In order to recognize and protect the tourist carbonate landscape, it is urgent to search the factors influencing the environmental changes and the stability of speleothem landscape in the show caves.

探讨导致喀斯特旅游洞穴环境变异的因素，研究洞穴碳酸钙景观稳定性，对旅游洞穴的景观保护具有重要的意义。