Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/0b5b109438d813d146718c459ca9681a.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 q factor英英字典_q factor剑桥英语解释_q factor柯林斯英文解释_橘子化妆朗文词典
1. N a measure of the relationship between stored energy and rate of energy dissipation in certain electrical components, devices, etc, thus indicating their efficiency 品质因数