Requirements include a design plan stamped by a licensed engineer and a detailed breakdown of all costs.

申请要求还包括：有注册工程师签章的设计方案，以及详细全面的成本分析。

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He is a U.S. Coast Guard Licensed Ships Master and Third Assistant Engineer with extensive commercial sailing experience.

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The design has been licensed from David Giles, a British aeronautical engineer turned ship designer.

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In a USENIX session on this subject, Apple's senior software engineer Fred Sanchez said that Apple was wary of software licensed under the popular GNU Public License (GPL), because of the restrictions placed on incorporating the code into commercial software.

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