These adjustments can, on rare occasions, cause erroneous benchmark results.

这些调整虽然很少出现，但是可能导致错误的基准测试结果。

youdao

On rare occasions, you may discover that a transform is so messed up you can't continue.

在很少的情况下，可能会发现转换一团糟难以继续下去。

youdao

On rare occasions, avian influenza viruses have crossed the species barrier to infect humans.

在极少数情况下，禽流感病毒已跨越物种屏障，感染人类。

youdao

They can do it on rare occasions, or they can do it whenever they feel like it, or they can do it regularly; it's often done quarterly.

他们可以偶尔为之,也可以在任何时间发放,或者定期发放,一般是一季一发

耶鲁公开课 - 金融市场课程节选

But on rare occasions, living people who are not heads of state appear on legal tender.

FORBES: Living People On Legal Tender

The homes are on a seismic fault that on rare occasions shifts, said CNN meteorologist Chad Myers.

CNN: Massive landslide threatens Washington state homes

On rare occasions, the falling bits of space debris do hit now-populated areas.

WSJ: Meteor Creates a Show, No Apparent Damage