Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.

地球上海洋面积占据（）。

海洋科学是研究地球上海洋的（）、性质及其变化规律，以及和开发与利用海洋有关的知识体系。

The partial loss of or damage to the cargo is not recoverable from the insurer resulting from natural calamities under（）in PICC Ocean Marine Cargo Clauses.

何谓海（波）浪？影响海（波）浪大小的因素是什么？

Britain’s climate is influenced by（）,a warm ocean current that passes the western coast of the British Isles and warms them.

“海为什么是蓝色的”解释最为科学的是：（）。

简述法国经济学家1803年发表著作《政治经济学概论》提出了著名的“市场法则概论”。

For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.

A current will develop between areas of different density in ocean waters. If you face in the same direction the current is flowing，the water of（）.

A current moving across a lock entrance toward the river or toward the dam is called a(n)（）.

翻译以下关于邮政储蓄业务员开户业务的有关对话。 ①Customer: I want to open an account. ②Clerk: Fixed or current? ③Customer: Current. ④Clerk: Your ID card, please.