The navy played a limited but significant role in defeating the rebellion.

在平息叛乱中海军起了有限但却重要的作用。

《柯林斯英汉双解大词典》

notice: Normal but significant condition

notice：正常但值得注意的情况

youdao

The thrust produced is small, but significant.

虽然机器产生的推进力很小，但意义重大。

youdao

But politics is (takes) a long, long time to make any significant, long-lasting difference."

VOA: special.2010.05.09

We can actually have any radius, but some radii just have much, much smaller probabilities of actually being significant or not.

非常非常小，以至于,无关紧要,我们今天。

麻省理工公开课 - 化学原理课程节选

And in the--from 1989 to 2006 there was a pretty significant decline, but even in 1989 the numbers weren't very high.

我们看到,从1989到,2006年有个很明显的下降,但是即使是在1989年这个数字也不高

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This drug appears to provide a small but significant benefit in terms of cognition.

CNN: Better understanding of dementia leading to more effective therapies

The enormity of the event may have drowned out many small but significant voices.

FORBES: Where Were You On 9/11?

It is also making small but significant progress as a fuel for lorries and buses.

ECONOMIST: An unconventional bonanza