Warning: file_put_contents(): Only 0 of 5272 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 91精品国产91热久久久福利,亚洲一级黄片::,97人妻天天爽夜夜爽一区二区三区
As for application, the model can equivalently describe a type of random walk with finite jumps. 并且作為一個應(yīng)用，證明了系統(tǒng)的總?cè)丝跀?shù)的期望有限等價于一類隨機游動具有一個正速度。