// 核心过滤：弹出栈中「≤当前元素」的数（易错点2：必须是≤，不是<）
Полина Кислицына (Редактор)
。关于这个话题，safew官方版本下载提供了深入分析
From March, all new and existing Discord users worldwide will be placed into a "teen-by-default" experience.
If they have time, astronauts and cosmonauts will look to plug the leak or close the hatch to the leaking section of the station. (That is how they dealt with a minor leak in the station’s PrK module for a number of years, and it basically worked.) Remember, though, that this is the worst-case scenario, and our crew will run into a hard deadline. Once pressure falls to around 490 mm Hg, NASA says, critical systems risk breaking down. Astronauts could suffer hypoxia, oxygen deprivation so debilitating they could become delirious. It will be a heart-wrenching call, but if nothing else can be done, the crew will need to go to their crew vehicles and leave the ISS.
對於海外觀察人士而言，這種視角不難理解，過去十年，中國軍隊中的派系鬥爭被深入討論——一方是張又俠為首的「西北-裝備系」，包括李尚福等人；另一方是苗華、何衛東為核心的「東南-政工系」，扎根福建第31集團軍。