选取时间就是俭约时间；不合理的行动是打击气氛的盲动。
To choose time is to save time; and an unseasonable motion is but beating the air.
运用出口贸易增长的动因模型，选取时间序列数据，尝试对影响广东出口贸易增长的动因进行实证分析与研究。
With the factor model of export trade growth, by sampling chronical data, the paper probes into the factors promoting Guangdong export trade growth.
继而，选取时间变量作为权重，建立基于站点服务水平和路段服务水平的公交线路区段服务水平加权评价模型。
Thereby, the weighted service evaluation model in the segment level is established using the time as the weight, based on the service level at the stop and the service level in the section.
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