日本民主党政权下日美同盟调整的背景及动向

2009年，日本民主党上台执政，日关同盟关系随之产生变化，日美在一系列双边及多边问题上暴露出明显的分歧和斗争，日美同盟之所以呈现出斗争的态势是基于日美双方不同甚至对立的利益考量，同时日美在应对共同的威胁时又表现出彼此拉近和合作的一面。未来，日美同盟仍将继续发展，影响东亚乃至亚太地区局势稳定和地区合作进程。

The Background of the Adjustment of Japan-US Alliance under Japan’s Democratic Party Government and its Further Trend

Since the Democratic Party of Japan took office in 2009,some adjustments have occurred in Japan-US alliance,with differences and contradictions showed up on bilateral and multilateral issues.But at the same time,both countries tend to come closer and cooperate in handling mutual threats.In future,Japan-US alliance will continue to develop and influence the stability and cooperation process in the Asian-Pacific region.