for (int i = start + gap; i < n; i += gap) {
Watch: Astronauts return to Earth after extended stay in Space，这一点在heLLoword翻译官方下载中也有详细论述
。业内人士推荐safew官方版本下载作为进阶阅读
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.，这一点在Line官方版本下载中也有详细论述
And more concept art for the project!