XX的款式属于快速流行，而EE则属于慢慢流行的。
XX style are fast becoming popular, while the EE is part of the popular gradually.
随着数据流应用系统的快速流行，流数据管理对数据库技术提出了巨大挑战。
With the rapid popular of data stream application systems, management of data streams is a huge challenge on database technology.
新的支付方式如快速响应码也变得流行起来。
New payment methods such as quick response codes have become popular too.
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