applying field experiment and indoor analysis, the absorption characteristics of n, p and k of overwintering spinach (tangshan daye) in eastern hebei province were studied in this paper.
采用田间试验与室内化验相结合的方法,对冀东地区越冬菠菜(唐山大叶)氮磷钾吸收特性进行了研究。
most of the gold deposits in the eastern hebei province occur in plagioclase hornblendites in jinchangyu formation of qianxi group in archean with a distinctive stratabound characteristies.
冀东地区金矿床大多产于太古界迁西群金厂峪组斜长角闪巖中。
this paper makes detailed description and analysis of the shadow play performance-related votive ceremony in eastern hebei province and its activities.
本文对冀东地区与影戏演出有关的还愿仪式及其中的影戏展演活动进行了详尽地描述与分析。