Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/9e10d7c5e253afe9fa48ca899064185f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 dense packing arrangement是什么意思，dense packing arrangement的翻译，dense packing arrangement音标、读音、用法和例句_沉淀汉英词典
Specially, a vertical cavity surface-emitting semiconductor laser is attractive, because of free arrangement and dense packing. 垂直腔表面发射激光器，因其可自由排列和密集封装而特别引人注目。