We have realized a Data base Mangement system on multi-user time-sharing systems.

我们在多用户分时系统上实现了一个数据库管理系统。

youdao

YouTubers, defined as frequent user of the video-sharing website YouTube, especially someone who produces and appears in videos on the site is included in the dictionary for the first time.

（油管人）首次被纳入词典，指频繁使用视频分享网站YouTube（油管）的用户，特别是自己制作视频并且出镜的人们。

youdao

YouTubers, defined as frequent user of the video-sharing website YouTube, especially someone who produces and appears in videos on the site is included in the dictionary for the first time.

（油管人）首次被纳入词典，指频繁使用视频分享网站YouTube（油管）的用户，特别是自己制作视频并且出镜的人们。

youdao