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苏门答腊岛本身就是岛弧的一部分。
Sumatra itself is part of an island arc.
youdao
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沙尔布尔铁矿床形成于古岛弧区内的局部拉张环境。
Shaerbuer Iron deposit was formed in a partial tension environment of an ancient arc zone.
youdao
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沙尔布尔铁矿床形成于古岛弧区内的局部拉张环境。
Shaerbuer Iron deposit was formed in a partial tension environment of an ancient arc zone.
youdao