This strategy is reported to have been effective.

据报道，这种策略有些效果。

youdao

In 132 head of steam trap testing done shows that 42% of the traps have been effective.

在对蒸汽主管的132只疏水阀所做的检验表明，42%的疏水阀已实效。

youdao

These rules have been effective in finding the major sources of portability problems in these files.

这些规则在查找这些文件中的移植问题的主要根源方面是非常有效的。

youdao

Anti-malaria drugs also have been effective.

VOA: special.2009.04.14

Anti-malaria drugs have been effective.

VOA: special.2010.06.15

"If I felt that I could have been increasingly effective in that job, I suppose I would have continued to do it.

VOA: special.2010.05.09

Hoarding knowledge may have been effective at a time when it had a longer shelf life.

FORBES: An Organizational Ghost Story

What actions have you seen that have been effective for retailers to target their customers?

FORBES: How To Reach Today's 'Channel-Surfing' Customers

And those -- we believe those programs have been effective -- not enough, but effective.

WHITEHOUSE: Press Briefing