中国共产党成立的中央特科,主要是为了负责保卫上海中共中央机关的安全,正好与国民党的调查科针锋相对,于是双方在上海滩展开了一场秘密战线的激烈较量。当时调查科的负责人是徐恩曾,中央特科的负责人是周恩 The Central Special Branch established by the Chinese Communist Party was primarily responsible for defending the security of the organs of the CPC Central Committee in Shanghai and was exactly opposite to the investigation section of the Kuomintang. So both sides held a fierce battle over the secret front in Shanghai. At that time, the chief of the investigation section was Xu Enzeng and the chief of the Central Special Branch was Zhou En