本刊物备有印刷版和下载版可供选择。有关获取本刊物的方法，请参阅第a 1页。

This publication is available in both print version and download version. Please refer to page A1 for the means of obtaining this publication.

youdao

本刊物备有印刷版和下载版可供选择。有关获取本刊物的方法，请参阅第a 1页。

This publication is available in both print version and download version. Please refer to page A1 for the means of obtaining this publication.

youdao