The code in Listing 6 is similar to the code in Listing 5; while it's obviously a little more low level, you get a significant performance boost.

清单6中的代码类似于清单5中的代码；虽然它很明显有些低级，但是您将获得很大的性能提高。

youdao

2010-03-17 the U. S. federal Reserve announced (March 16) to keep the federal funds rate at historic low level of zero to 0.25 percent to boost the economic recovery.

2010年03月17日美国联邦储备委员会16号宣布，将联邦基金利率继续维持在历史最低水平零至0.25%不变，以促进经济复苏。

youdao

Yau has long been on a mission: to boost what he sees as the low level of mathematics in China and raise the profile of Chinese mathematicians.

FORBES: Plugging a Math Gap