他想知道哪些功能有效，哪些功能没效。

He wanted to know which features worked and which did not.

youdao

至2周时观察到对肺功能有效应，并且显著的治疗效应可维持至48周。

Effects on pulmonary function were noted by 2 weeks, and a significant treatment effect was maintained through week 48.

youdao

讨论了程序功能有效分工的策略，提出了以透明性进行有效分工的方法；

The tactic of effective dividing of the program function is discussed, the effective way to divide the program function is presented in term of transparency.

youdao