Unluckily, a boat accident caused the tracking efforts to fail.

不幸的是，一场船只事故导致追踪工作失败。

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As for the cause of the shark's behaviour, Gennari said it was almost certainly an accident rather than an attack on the boat.

提到鲨鱼这样的原因，Gennari说这基本上可以肯定是一次意外，而不是鲨鱼要袭击考察船。

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The only federal law governing fishing-boat safety mandates survival equipment for after an accident occurs.

而唯一管辖渔船安全性的联邦法律是在一次事故发生以后才将救生设备也纳入了进来。

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Survivors of the accident said the ferry had been struck by another faster moving boat, and then sank too rapidly for passengers to put on life jackets and exit the vessel.

FORBES: Hong Kong Ferry Collision Leaves At Least 36 Dead

Rom Kulleh, a political aide who flew in a helicopter over the river shortly after the accident, said he and his state legislator boss saw the overturned boat.

NPR: Ferry Capsizes In Malaysian River, 21 Missing

Bill Foster, a fisherman from Hatteras, North Carolina, and Dr Read, proposed the project because the Pamlico Sound near Hatteras was closed to large-mesh gill nets (which are dragged behind a boat like a curtain) for four months a year because too many turtles were being caught by accident.

ECONOMIST: Oceanography