Warning: file_put_contents(): Only 0 of 6284 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 adjoint differential operator例句_adjoint differential operator英汉例句_adjoint differential operator双解例句_魏碑心思朗文词典
Two sufficient conditions for the discreteness of two-order self-adjoint vector differential operator are given in last part. 第四章研究了二堦自伴曏量微分算子，得到其譜是離散的兩個充分條件。