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...
有时他会倒嚼我们喂给他吃的食物，因为他无法吞咽。Sometimes he regurgitates the food we give him because he cannot swallow.手术后你咀嚼和吞咽都会感到困难。After the operation you may find it difficult to chew and swallow.什么食物都要先嚼碎再吞咽。Always chew food well before...