Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/023e98ed5828e48485183c679d9a282c.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 positron emission tomography英英字典_positron emission tomography剑桥英语解释_positron emission tomography柯林斯英文解释_欧米惠必应词典
1. N a technique for assessing brain activity and function by recording the emission of positrons from radioactively labelled substances, such as glucose or dopamine 正电子发射计算机断层扫描