But over the past decade, scientists in Italy and Denmark sent three expeditions to fetch samples from sediment in what's known as a deep hypersaline anoxic basin in the Mediterranean.
但在过去的十年当中，意大利和丹麦的科学家派出过三组探险队前往地中海，从地中海盆地那众所周知的高盐缺氧沉积物中采集样本。
Corresponding to the Cretaceous global events, there are several times of anoxic events in the Songliao Basin.
松辽盆地白垩纪出现多期缺氧地质事件，它与全球白垩纪的地质事件相对应。
Corresponding to the Cretaceous global events, there are several times of anoxic events in the Songliao Basin.
松辽盆地白垩纪出现多期缺氧地质事件，它与全球白垩纪的地质事件相对应。
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