“Railway Internet Ticketing System”的概念、定义、翻译、参考文献-科学参考

单词	Railway Internet Ticketing System
释义	Railway Internet Ticketing System Encyclopedia 工学电子支付释 Railway Internet Ticketing System铁路客票发售系统铁路网上客票系统是基于互联网的铁路售票和预定系统（12306网站）。旅客在互联网上可以购票、退票、改签，在线支付，查询列车、余票、订单信息等。
随便看	variance analysis of one-way grouping data variance analysis of subgroup data in group variance analysis of two-way data variance-balanced block design variance between classes variance between clusters variance between laboratories variance component variance component model variance component models variance-covariance analysis variance-covariance component estimation variance-covariance matrix variance-covariance propagation law variance estimation variance functon variance inflation factor variance matrix variance of an estimator variance of a probability distribution variance of a random variable variance of unit weight variance per unit weight variance ratio variance ratio test

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