1) Yanshan foot
燕山山麓
1.
In view of the special ecological conditions in high yield grain fields at Yanshan foot and production problems, an experiment was conducted from 1996 to 1999 in Tuanpiao town, Zunhua city, Hebei province about soil nutrient factors, their order, and concentrated fertilization index.
针对燕山山麓高产粮区特殊的生态条件及生产中存在的问题 ,1996～ 1999年在河北省遵化市团瓢庄乡进行了冬小麦—夏玉米轮作条件下土壤养分限制因子与排列序谱及高产、高效施肥指标的试验。
2) South Piedmont Regions of Yanshan Mountains
燕山南麓
1.
Responses of Summer Rainfall in South Piedmont Regions of Yanshan Mountains to East Asiao Summer Monsoon Change;
燕山南麓夏季降水对东亚夏季风变化的响应
3) the foot of mountain
山麓
1.
The method getting water in river from the foot of mountain in chilliness area;
寒冷地区山麓性河流取水方法探讨
4) Yanshan
燕山
1.
The characters of fluid inclusions of gold deposits in Yanshan region;
燕山地区金矿床包裹体成分特征
2.
Types and regional metallogenic characters of gold deposits in Yanshan district;
燕山地区金矿床类型及区域成矿特征
3.
Fuzzy Comprehensive Evaluation of Nutrient Quality in Yanshan Chestnuts;
燕山板栗营养品质的模糊综合评价
5) Yanshan Mountains
燕山
1.
Deep-seated factors controlling the intracontinental orogeny of Yanshan Mountains.;
燕山陆内造山作用的深部制约因素
2.
Genetic types of basal conglomerate of the Changzhougou Formation in the central sector of the Yanshan Mountains;
燕山中段常州沟组底砾岩的成因类型
6) Yanshan mountain area
燕山山区
1.
The Fuji,Ralls and Golden Delicious of apple varieties,120 samples were collected from 20 orchards in Yanshan mountain area and the leaf N,P,K contents were analyzed.
采集了燕山山区20个苹果园富士、国光和金冠等品种的120份叶样,对叶片中氮、磷和钾含量进行了分析。
补充资料：山麓阶梯
| 山麓阶梯 piedmont treppen 山麓地带的陡坡被剥蚀成阶梯状的地形。常形成于单一坚硬岩层组成的高峻山坡下部，由多级平台与平行的山边线组成。每一平台即为一次山麓夷平面的形成，是随山麓平行后退而扩展的夷平面。澳大利亚L.C.金认为，上升至某一高度的高地，麓坡超过岩性休止角时，坡地受剥蚀而平行后退形成一级平台；下级平台发育时，上一级则展宽。德国W.彭克认为 ，山地上升多呈穹状 ，时有加速 、范 围加大的特点，这时山地内部河谷深切，新生的山地边缘出现一级阶梯状剥蚀平台。 |
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参考词条