It is proved by the study for recent 50 years that the records in concerned literature saying Zhengzhou Shang city is situated within Au Du region in Shang dynasty are believable.
近50年的研究成果证明，郑州商城处于阝敖都地望之内的文献记载是可信的。
The au-thor analyses the conceptions of economic problems study in soil and water conservation.
为此，笔者分析了水土保持经济问题研究的理论构想。
Along with study of magmatic rocks, the au-thors propose that coal metamorphism in coalfield resulted from shallow magmatic thermal metamorphism with high temperature in a short time.
在此基础上，结合岩浆岩研究，指出抚顺煤田煤变质为一种具有浅成、高温、作用时间较短的岩浆热变质作用的产物。
应用推荐