]“八一三”事变后 ,日本加紧调集兵力 ,陆海军协同 ,向上海发动大规模进攻。中国军队在淞沪战场实施战略防御。日军“速战速决”攻占上海计划破产后 ,被迫将作战重心由华北转移到华东 ,第三次大规模增兵淞沪 ,在杭州湾北岸登陆 ,中国军队疏于防备 ,酿成淞沪抗战最后失败。 After the “August 13 Incident”, Japan stepped up its efforts to mobilize its troops and coordinated its efforts to launch a large-scale offensive in Shanghai. Chinese Army Implements Strategic Defense in Songhu Battlefield. After the Japanese “Quick Start” captured Shanghai’s planned bankruptcy, it was forced to shift the focus of its operations from North China to East China. The third large-scale surge in Songhu and landing on the northern bank of Hangzhou Bay landed the Chinese army in a precautionary state of war and led to the Songhu Anti-Japanese War The last failure.