The Aqishan-Yamansu island-arc belt occurred on a wide continental shelf sea in the Visean Stage.

阿齐山—雅曼苏岛弧带发生在维宪期阶段的广阔大陆架海上。

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On the average the continental shelf is about 70 km wide. One much of the Pacific Coast it is relatively narrows, only a few tens of kilometers across.

平均来说，大陆架约为70公里宽，在部分太平洋海岸其大陆架较窄，只有几十公里宽。

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Russia, a signatory in 1997, already has used the treaty's legal authority to assert its rights to mineral riches on its continental shelf in the Arctic.

于1997年签署该条约的俄罗斯已经开始利用条约赋予的合法权力来主张其对自己部分北冰洋大陆架矿产资源的所有权。

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In his first week as president, Obama rescinded a Bush executive order that permitted drilling on the continental shelf.

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They've removed their cases to federal court, citing the OPA as well as a federal law that governs oil spills on the outer continental shelf .

FORBES: Magazine Article

Under such circumstances, the United States would be obliged to accept the diktat of one of the multilateral agencies spawned by LOST, a 21-nation Commission on the Limits of the Continental Shelf.

CENTERFORSECURITYPOLICY: Russian LOST and found