Using this focusing system, the laser microbeam instrument has got spot size of less than 0.用这个激光聚焦系统, 激光微束仪能获得直径小于0.We analyze the effect on the optical radiation pressure for corpuscules by laser microbeam.本文分析了激光微束光场辐...
The London train was on time, but there was no sign of my Finnish friend.伦敦的火车准点到达,却不见我那芬兰朋友的踪影。Finnish and Swedish are the official languages.芬兰语和瑞典语均为官方语言。The Russo - Finnish war made the problem of Norway acute.苏芬战争使挪...