平均数也称为均值(mean),一般包括算术平均数和几何平均数两种形式。利用平均数可以将处在不同地区、不同单位的某现象进行空间对比分析,也可以将不同时间内的某现象进行时间对比分析,反映现象一般水平的变化趋势和规律。
外汇交易必学的三种技术指标:一、布林线(BollingerBands):布林线是外汇交易中最重要的技术指标之一,它具备多种功能、使用起来非常有效方便,使用起来非常灵活,因此受到了专业投资者的喜...
2.3 estimated course and average speed (format example: COG296/SOG125//). 3 In case the vessel fails to report as required, the maritime administration will deal with it a...
2.3 estimated course and average speed (format example: COG296/SOG125//). 3 In case the vessel fails to report as required, the maritime administration will deal with it according to relevant laws, regulations, rules and provisions. This Notice w...
they sleep for an average of eight hours and 21 minutes. one of the b__16__ reasons for this is broadband and wi-fi. people can get online almost anywhere, so they sped mor...
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