Precisely at that double number 50-52 with which the reader is acquainted — at the Gorbeau hovel.

恰恰是读者所熟悉的那道双号门，五〇一五二号，戈尔博老屋。

youdao

The number of managers must double to 100 within 3 years.

3年之内管理人员的数量要翻倍，达到100名。

《柯林斯英汉双解大词典》

Double the expected number of people came to the meeting.

出席会议的人数比预期的多一倍。

《牛津词典》

But they say the work will make it possible to safely double the number of visitors permitted inside.

VOA: special.2009.06.29

If you double the system, they double in there numerical number.

如果你把系统扩大一倍，它们的值也会扩大一倍。

麻省理工公开课 - 热力学与动力学课程节选

Okay, maybe double the number.

好,多了一倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It also will increase the number of immigration officials working in Mexico, double the number of "violent criminal alien" teams on the border, strengthen the presence of border canine units and quadruple the number of border liaison officers working with Mexican law enforcement.

CNN: Obama to beef up Mexico border policy

Japan has an unusually large number of mom-and-pop stores, almost double the number per person in the U.S., and these are served by convoluted supply chains.

WSJ: Review & Outlook: Mr. Abe's 'Third Arrow'

The number of international subscribers now totals 190 million, more than double the number of domestic ESPN subscribers.

FORBES: Magazine Article