试验研究证明燕山地区具备了郁金香种球生产的基本自然条件。
Experimental study indicated that Yanshan Mountain area possesses the fundamental natural conditions for bulb production of tulips.
燕山地区位于华北地台的北缘，是燕辽金成矿带的重要组成部分。
Yanshan region is an important component of Yan-Liao metallogenic belt located in the northern margin of north China platform.
在东北有燕山地区文明，其代表性的考古学文化主要是红山文化。
In the northeast was mountain Yan civilization. The representative archeological culture is Hongshan culture.
在燕山地区中元古代常州沟组中发育有大量的潜穴化石，潜穴产于常州沟组中部的泥质粉砂岩中。
A large amount of burrow fossils are found in pelitic siltstone in the middle Changzhougou Formation of the Mesoproterozoic in the Yanshan area.
燕山地区是中国北方中—上元古界地层最为发育的地区，整个地区露头连续、地层齐全、沉积稳定。
The Yanshan area is the most developed region of the Meso - and Neoproterozoic stratum in north China, the whole area has continuous outcrops, complete stratum and steady deposition.
燕山地区岩浆活动与构造事件有较好的偶合关系，其构造岩浆活动可能是板块相互作用和深部岩石圈活动的共同结果。
The Mesozoic volcanism in Yanshan area temporarily and spatially corresponds with the regional tectonic events, which might be a consequence of deep lithospheric processes and multi-plate interaction.
彭山地区燕山晚期形成的钙碱性花岗岩体与区内有色金属矿产的形成具有直接成因上的联系。
There is a close relationship between nonferrous metallic deposits and calc-alkaline granitets which formed in late Yanshanian period in Penshan region.
彭山地区燕山晚期形成的钙碱性花岗岩体与区内有色金属矿产的形成具有直接成因上的联系。
There is a close relationship between nonferrous metallic deposits and calc-alkaline granitets which formed in late Yanshanian period in Penshan region.
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