Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/d05d31a03c7d3621aa0b47ae7764e81b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 early-warning system英英字典_early-warning system剑桥英语解释_early-warning system柯林斯英文解释_绍翊字体网有道词典
1. N a network of radar and communications units intended to detect at the earliest possible moment an attack by enemy aircraft or missiles (监测敌方飞机或导弹进攻的)雷达预警系统