All of them had undergone a crash course in surveillance techniques.

她们先接受侦查技术的课程培训,之后正式上岗.

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A crash course in conflict resolution.

阿速成班解决冲突.

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A crash course in computer programming.

计算机程序设计速成课程.

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Visit any of the following sites for a crash course in writing and grammar.

你可以浏览以下网站,迅速把握书写、语法设计方法.

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Visit any of the following sites a crash course in writing and grammar.

你可以浏览以下网站,迅速掌握书写、语法设计方法.

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