“九一八”事变到卢沟桥事变期间,日本帝国主义以其大陆政策为指导,对中国采取蚕食政策,逐渐加紧其侵略的步伐,从而造成了一个又一个的侵略事件。1933年初,日军发动的长城作战不仅动机明确,而且行动谨慎,既达到了其侵略的目的,又为以后祸害华北创造了有利条件,是一次典型的蚕食中国的侵略战争。从这场战争我们可以看出日军蚕食中国有以下三个特点:控制战争的规模;选择有利的时机;签订暧昧的协定。 During the “Sept.18” incident and the Lugouqiao Incident, the Japanese imperialists, guided by their mainland policies, adopted a policy of encroaching upon China and gradually stepped up the pace of their aggression, thus causing one after another invasion. At the beginning of 1933, the Great Wall launched by the Japanese army was not only motivated but also cautious. It not only achieved its goal of aggression but also created favorable conditions for the subsequent scourge of North China. It was a typical war of aggression that encroached upon China. From this war we can see that the Japanese invasion of China has the following three characteristics: to control the scale of the war; to choose a favorable opportunity; and to sign an ambiguous agreement.