提示：点击例句中的单词，就可以看到词义解释

Spending on education , transport and the national health service doubled .

在教育，交通和国民卫生保健体系方面支出加倍。

It doubled the fibre 's bandwidth .

这样，纤维的带宽就得到加倍。

However since I have 500 workers average worker productivity has doubled .

但是因为我现在只有500名工人，相当于每个工人的工作量加倍了。

Lambert doubled all of the cleaning processes and added some of his own .

兰伯特把所有消毒环节全部加倍，并加入了自己的一些方法。

The hiv infection rate in this group has doubled , we are told .

我们被告知，hiv的感染率在这一群体中居然是加倍的。