The article analyzes the situation in which ethnographic studies found themselves at the turn of the third decade of the 21st century.The historical background,
100 years ago,China was such a plagued country that the West thought it the world’s problem.A century later,China seems to be the Middle Kingdom when it once w
One of the advantages of an oil-hydraulic system is that the system keeps the value of oil pressure when the pressurized oil is enclosed in a container.However,