Laiyuan County minerals have been identified are metals, non-metallic minerals 43, 160 occurrence, the exploitation of a certain value.
涞源县矿产已查明的有金属、非金属矿43种，矿点160个，具有一定开采价值。
Two years ago, Beijing Tzu Chi volunteers started to provide long-term support to villagers in Laiyuan County which is over 200 kilometers away from China's capital.
两年前，北京慈济人前往距离北京两百多公里的保定市涞源县进行长期援助；
This paper chooses the Yaogou hornblendite body, one of the two major ultramafic outcrops in the Laiyuan batholith, as a representative to carry out detailed research.
以窑沟橄榄辉石角闪石岩岩体为代表，研究了涞源岩基中超镁铁质岩石。
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