① This "male" refers to Deng Shichang 1895, and he is a Zhiyuan ship duct tape; The world's first naval battle between armored ships broke out in Dadonggou waters of the Yellow Sea, and beiyang fleet, China, was hit hard by the Japanese joint fleet. After the Japanese ship Yoshino failed to hit, Deng Shichang and Zhiyuan survived and died with his dog.

② beiyang fleet; In the battle of Ahava, beiyang fleet was completely annihilated.

③ Empress Dowager Cixi. "The defeat of the three armies" refers to the failure of the Qing government in the Sino-Japanese War. In the Sino-Japanese treaty of shimonoseki, the Qing government ceded Liaodong Peninsula, Taiwan Province Province and Penghu Islands to Japan.

(4)1,the decay of the government; 2. Compromise and concession of the decision-making group; 3. Weakness and backwardness of armaments

(5) It has greatly deepened the degree of semi-colonialism in China.