4급 ‘마스가 과장’, 단숨에 2급 국장 파격 직행…“李대통령 OK”
"The entire sequence of Artemis flights needs to represent a step-by-step build-up of capability, with each step bringing us closer to our ability to perform the landing missions. Each step needs to be big enough to make progress, but not so big that we take unnecessary risk given previous learnings."。safew官方版本下载对此有专业解读
圖像來源，Getty Images，更多细节参见爱思助手下载最新版本
float r_sequence(int x, int y)