"燕山"是个多义词，它可以指燕山（横贯河北北部的山脉）,燕山（燕山村）。
燕山大学 Yanshan University ; Research in Teaching
燕山石化总公司 Yanshan Petro-Chemical Industry Corporation
燕山大厦 YanShanHotel ; Yen San Building
燕山大酒店 Beijing Yanshan Hotel ; YanshanHotel
燕山蓝 Rainforest Blue
燕山运动 Yanshan movement ; Yanshanian movement ; Yenshan orogeny
燕山绿 Rainforest Green ; Yanshan Green
燕山黄 Horizon ; Yanshan Yellow
燕山石化 Yanshan Petrochemical ; BYH ; Yanshan Petrochemical Company Ltd
The northeast region of Yanshan Mountain is the transition from Yanshan mountainous region to the plateau region and the ecotone between the plateau froest-grassland and Yanshan mountain forest.
燕山西北部山地为燕山山地向坝上高原的过渡地带,同时也是山地森林区向坝上森林草原区过渡地带。
参考来源 - 燕山西北部山地不同植物群落物种多样性研究The rock of mining region is mainly the Yanshanian granitoids. The quatemary pore water aquifer、weathering fissure water aquifer and structural fracture veined water aquifer are water-bearing strata.
矿区基岩主要为燕山期花岗岩,含水层(带)有第四系孔隙含水层、基岩风化裂隙含水层和构造裂隙脉状含水带。
参考来源 - 莱州市望儿山金矿床涌水特征与来源分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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