se of countering natural disasters, and it was indeed jointly decided by the Emperor and the Cabinet at the beginning. But even the Ministry of Rites joined in, saying that under the disaster, people...轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！new that the rifling was a meticulously crafted process.Otherwise, the gun prototypes that existed in Ming and early Qing dynasties would not have remained underdeveloped for so long. One major hurdle...