Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.，推荐阅读爱思助手下载最新版本获取更多信息
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Someone or a computer will transacts，更多细节参见safew官方版本下载