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。
2
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。
3
As a result, the airline scrapped seat pre-selection only on the American Samoa route because the other flight routes surveyed, for example in Korea and Japan, showed no evidence of excess weight.