通过对四川剑门关景区的调查研究，总结分析了剑门关景区的农业地质背景。
Based on the investigation on Jianmenguan scenic spot of Sichuan province, the agricultural geological background of Jianmenguan scenic spot was summarized.
通过对四川剑门关景区的调查研究，总结分析了剑门关景区的农业地质背景。
Based on the investigation on Jianmenguan scenic spot of Sichuan province, the agricultural geological background of Jianmenguan scenic spot was summarized.
应用推荐