They had to do this by firing the lunar module rocket engine for just the right amount of time.

VOA: special.2009.07.22

We did that, we came up with very good Chinese search engine technology, and we signed up a lot of the Chinese portals in a very short period of time.

我们开发了,很好的中文搜索引擎技术，并在短期内，和许多门户网站公司,签了合约。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选