对医药、法律、工程和其他文件的翻译需要译者掌握相关科目的专业知识。

Translations of medical, legal, engineering and other documents require a technical knowledge of the subject.

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所有教程都含配套练习文件，方便您快速掌握软件。

All tutorials are complete with practice files, so you can quickly master the software.

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这些文件现在掌握在我的律师手里。

The documents are now in the possession of my solicitor.

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这些文件现在掌握在我的律师手里。

The documents are now in the possession of my solicitor.

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