海军舰艇抗战前中国与日本的海军实力极为悬殊。日军总吨位约110万吨,而中国只有3.8万吨,不论战力差异,光是吨位的差距就达30倍之多。因此,中国海军几乎没有进行过成规模的海战。“宁海”号巡洋舰该舰长109米,宽12米,舱深6.7米,吃水4米,排水量2526吨,部分位置有25毫米的装甲;4部油炭混烧式锅炉,3部往复式主机3轴推进,有7.7808兆瓦功率,最高航速23.2节,12节巡航时续航力5000海里;乘员军官42人、士官97人、士兵222人;装备 Before the Anti-Japanese War, the Navy’s naval strength between China and Japan was extremely disproportionate. The Japanese total tonnage of about 1.1 million tons, while China has only 38,000 tons, regardless of the difference in combat power, the difference is just tonnage up to 30 times. As a result, the Chinese navy has barely made a large-scale naval battle. “Ninghai” cruiser The 109-meter-wide, 12 meters wide, 6.7 meters deep, draft 4 meters, 2526 tons of displacement, 25 mm in some positions armor; 4 coal-fired mixed boilers, three reciprocating host 3-axis propulsion, a power of 7.7808 MW, a maximum speed of 23.2 knots, cruising at 12 cruise endurance of 5,000 nautical miles; 42 crew members, 97 non-commissioned officers, soldiers 222; equipment