岛弧: island arc区: H region; H山间槽地;岛弧区海槽: intermontane trough岛弧: (排列成弧形的群岛) island arc 岛弧海沟系 island arc-trench system 电弧区: arc zone安静弧区: silence arc垂直弧区: vertical sector导航灯弧区: navigational light sector电弧区域: arc zone号灯光弧区: sector of light角球弧区: corner arc前缘弧区: frontal arc terrane水平弧区: horizontal sector无光弧区: blind arc单岛弧: single arc; single island arc岛弧链: island arc chain岛弧前: forearc岛弧系: island-arc system岛弧型: island-type古岛弧: remnant arc; remnantarc后岛弧: back island arc内岛弧: inner island arc前岛弧: former island arc电弧区域熔炼: arc zone-melting残留岛弧: remain arc