无伸缩性相关论文
We present a non-uniform granular system in one-dimensional case, whose granularity distribution has the fractal charact......
[问]我今年20岁,从小就包皮长,且很紧,龟头从未露出外面,大夫说是包 茎。可另一位大夫检查后说不是,请问什么是包茎? 山东 韩×......
