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》

The foreign expert hopes to achieve all his goals within 3 years.

那位外国专家希望在三年内达到所有的目标。

youdao

Methods: Retrospective analysis of the peptic ulcer cases diagnosed by gastroscopy within 3 years and analyzed statistically.

方法：回顾性分析3年间经胃镜检查诊断为消化性溃疡的病例进行统计学分析。

youdao

What will be the level of illegal immigration within 3 years after passing a bill to make using E-Verify mandatory?

FORBES: Should Americans Get Permission from the Federal Government Before Being Allowed to Start a New Job? That's One of the Questions for Congressional Supporters of the New E-Verify Bill

After a series of unmanned flights, Musk expects that the first manned flight should head towards the ISS within 3 years.

FORBES: Move up http://i.forbesimg.com t Move down

Fabrice Tourre will be running his own hedge fund within 3 years.

FORBES: Spare Me The Sudden Outrage