At present, network speed is a serious bottleneck problem for multimedia instruction in network environment.

目前在网络环境下进行多媒体教学，网络速度是一个严重的瓶颈问题。

youdao

At present, network speed is a serious bottleneck problem for multimedia instruction in network environment.

目前在网络环境下进行多媒体教学，网络速度是一个严重的瓶颈问题。

youdao