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As an important component of cryospheric provisioning services,freshwater provisioning services of the cryosphere is par......
As a countermeasure to the recent increase in heavy rainfall events and rapid urbanization,Paddy Field Dam (PFD) has bee......
语言传播具有自觉性.从经济学的视角看,语言学习是一种重要的人力资本投资形式,在一个没有规制的世界中,语言传播的规律在于个体的......
