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Compositing technology and friction performance of oil-cast nylon and copper nail-bed self-lubricating composite material;

油尼龙铜钉板自润滑复合材料的复合工艺及其摩擦性能研究

Early operation with anterior screw-plate system for cervical spine fracture and dislocation;

前路钉板系统在颈椎骨折脱位早期手术中的应用

Utilizing bowling on the board with nails and its generalization,this paper designs two kinds of combination-tests on uniform pseudorandom numbers,and proves that Poker-test is its inference.

讨论了钉板投球及其推广模型 ,利用它设计出 2种均匀伪随机数组合性检验法 ,证明Poker检验是其特例 。