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Gradient biomaterials are considered as preferable matrices for tissue engineering due to better simulation of native ti......
Effect of heavy load carriage on cardiorespiratory responses with varying gradients and modes of car
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
