Фигурист Петр Гуменник сравнил уровень конкуренции в финале Гран-при России и Олимпиаде. Его слова приводит Первый канал.
Thomas Selfridge, however, had suffered a far more severe injury. The crash had fractured his skull. At the time, neither man wore head protection, as aviation helmets were not yet standard equipment. He was carried to the post hospital at Fort Myer, where surgeons operated in an attempt to relieve pressure on his brain. He never regained consciousness.,更多细节参见新收录的资料
Data compression in MongoDB, enabled by default: https://www.mongodb.com/docs/manual/core/wiredtiger/#compression。新收录的资料是该领域的重要参考
# some examples,这一点在新收录的资料中也有详细论述