hongyan meaning in Chinese

杭州红妍
红彦

Zhang shiqiu he hongyan cao jing
张世秋，贺?羽燕，曹静
On the essence of hongyan spirit
试论红岩精神的实质
On evaluating hydrologic response of karst aquifer to storm events at the hongyan coal mine
红岩煤矿岩溶水对暴雨响应特征研究
Geological characteristics and development of hongyan manganese deposit in heishui sichuan
四川省黑水县红岩锰矿特征及找矿前景
Viewing the exploration and utilization of revolutionarily cultural resources from the epoch features of hongyan spirit
从红岩精神的时代效应看革命文化资源的发掘与运用

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