【摘要】 日本在1917年2月前一直坚决反对中国参战;1917年2月起转而积极支持中国参战;1917年5月起态度有所反复,一度对中国参战持消极态度;1917年7月以后则再次积极支持中国参战。日本态度变化的原因是中国的政治形势在不断变化,随着形势的变化而改变态度对日本更为有利。日本对中国参战产生了较为复杂的影响,一方面推动了参战的实现,另一方面也在一定程度上延缓了参战的进程。中国参战对日本在华势力和权益的扩张也产生了较为复杂的影响,一方面为日本进一步对华扩张提供了机会,另一方面也阻碍了日本对胶州湾租借地和胶济铁路的侵占。更多还原

【Abstract】 Japan objected China’s entering the First World War before February 1917,but it changed its attitude and began to support China’s entering the war enthusiastically after February 1917.May 1917,it stopped the support of China’s entering the war enthusiastically,but Japan began to support China’s entering the war again in July 1917.The reason why Japan changed its attitude was that the political situation changed and it was favorable for Japan to change its attitude.Japan promoted the realization of China’s entering the war,but it delayed the process of China’s entering the war,too.China’s entering the war was advantageous to Japan’s aggression against China in some respects.However,it also prevented Japan from occupying the Jiaozhou Gulf and the railway between the Jiaozhou Gulf and Jinan.更多还原