The output is double that of last year.

产量比去年增加一倍。

《新英汉大辞典》

On average 30 people are dying every day-around double that of last month.

平均每天有30人丧生——大约是上个月的两倍。

youdao

The country's per capita income is almost double that of Morocco and Egypt.

这个国家的人均收入将近是摩洛哥和埃及人均收入的两倍。

youdao

A report released by New York City's health department says the percentage of women who die in pregnancy and childbirth in the New York is double that of the national average.

VOA: standard.2010.06.23

So supposed that the list is not of size 8, let's make it slightly more interesting and double it.

假如列表的大小不是，为了更有趣，使其加倍。

哈佛公开课 - 计算机科学课程节选

So the question was-- First, it was the accusation before the question, that I'm holding a sort of double standard.

其问题是,首先,在这个问题之前他指责,我在施行双重标准

耶鲁公开课 - 死亡课程节选

Bois d'Arc's reserve life is 14 years, though, double that of the typical Gulf oil-and-gas firm.

FORBES: Gassing Up

The rate is nearly double that of the rate for people who have bachelor degrees.

FORBES: Getting A Job Washing Cars Is Harder Than Getting Into Harvard

At 3.1%, its dividend yield at the time was nearly double that of Anheuser Busch InBev.

FORBES: Beer Stocks: The Keg Party is in Emerging Markets