For that experiment you need a complete vacuum.

那个实验需要完全真空。

In fact, it is a complete vacuum outside of it.

事实上，它外面是一个完全的真空。

It's a complete vacuum, so there's nothing there.

这是一个完全的真空， 所以那里什么都没有。

Also noteworthy is that the train cars operate in a complete vacuum.

同样值得注意的是, 火车车厢在完全真空的环境中运行。

And for a while there just seemed to be a complete vacuum at the heart of economic policymaking.

有一段时间，经济决策的核心似乎完全处于真空状态。

Until about two days ago, there was not a single communication from our staffers in Srinagar...there was a complete information vacuum, said Anuradha Bhasin.

阿努拉得哈·巴辛（Anuradha Bhasin）称，" 直到大约两天前，我们在斯利那加的工作人员还没有任何消息… … 当地完全处于信息真空状态。

" Until about two days ago, there was not a single communication from our staffers in Srinagar… there was a complete information vacuum, " said Anuradha Bhasin.

" 直到大约两天前，我们在斯利那加的工作人员还没有任何消息… … 当地完全处于信息真空状态。" 阿努拉达·巴辛说。