在港湾内外航行——不在公海上。

Sail in and out of the bays not on the open sea.

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最初，重点在于国外航线中高端的旅游产品。

Initially, emphasis has been on foreign cruise line moderate to first class products.

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本文综述了国内外航空航天型号费用模型的研究现状。

This paper outlines the research status of cost models of aerospace project.

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英国海外航空公司244班机今天十四点四十五分到达。

BOAC Flight 244 will be due at 14:45 today.

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一名伊朗航空官员表示，此举大大增加了海外航班的成本。

An Iranian aviation official said the action had greatly increased the cost of such flights.

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一名伊朗航空官员表示，此举大大增加了海外航班的成本。

An Iranian aviation official said the action had greatly increased the cost of such flights.

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