To make the training realistic the simulation operates in real time.

为使训练真实，模拟是实时运行的。

It is now possible to hold a video conference in real time on a mobile phone.

现在有可能在移动电话上举行实时电视会议。

You can now use your phone to translate speech in real time, having a conversation that would not have been possible in the past.

现在你可以使用手机进行实时语音翻译，进行一次过去无法实现的对话。

This can be a real time saver.

这样的确是个节省时间的好方法。

Polling cannot be real time.

轮询不可能是实时的。