Because of this huge responsibility, the 3 bid cities are carefully chosen and must undergo a pre-selection round.

因为责任如此重大，主办城市都经过精心挑选且必须经过一轮预选。

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In Corpus-based speech synthesis system, rapid pre-selection of the corpus is a key technology. Decision tree can achieve rapid classification.

在基于语料库的语音合成系统中，语料的快速预选是一项关键技术。

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Column data types are pre-filled based on the DB2 platform for the procedure for easy selection.

列数据类型是根据过程的DB 2平台预先填写的，以便于选择。

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In hiring mental health professionals, there is some assumption of pre-selection.

CNN: Treating trauma victims may cause its own trauma

The UK National Commission for UNESCO will conduct a pre-selection process of applications and will endorse up to 4 applications by 30 June, which will be sent onto UNESCO headquarters for final consideration.

UNESCO: UK National Commission for UNESCO :: UNESCO-L'Or��al International Fellowships

If there are a large number of candidates for 2018 -- Blatter mentioned 10 or 11 countries -- then FIFA will adopt the Olympic policy of making a 'pre-selection' to reduce the bidders.

CNN: FIFA end World Cup rotation policy