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Background:The relationship between physiological age of parental trees and lifespan of clonal offspring is unclear.Whit......

蜂窝移动网络的普及引起了研究人员对新型蜂窝移动网络传输协议研究的极大兴趣.考虑到蜂窝移动网络的固有特性以及协议的吞吐量、......

The academic world has at least nine viewpoints on the Marxs thought in the high school period:devout religious theology......