bet3365 标准

biāo zhǔn (an official) standard; norm; criterion; CL:個|个[ge4]

版

bǎn a register; block of printing; edition; version; page

平台

píng tái platform; terrace; flat-roofed building

介绍

jiè shào to introduce (sb to sb); to give a presentation; to present (sb for a job etc); introduction

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