Astigmatic, distorted surfaces potentially introduce serious degradations in optical system performance.

In Xinchang, as with many of the recent protests, the initial spark involved claims of serious environmental degradation.

Your kids are so malnourished that they suffer serious mental degradation before you even begin testing them.

It's conceivable that serious degradation might happen rather suddenly.

What about that material which involves the serious degradation or violation of others, especially if it's mocked up to look like it is forced?

This has resulted in serious spiritual and moral degradation of church environment and church leaders.

The existing units showed signs of serious degradation.

He was certain that the advent of dreams signaled a serious degradation of his mental faculties.

A naive implementation can suffer from a serious degradation of performance.

Overgrazing by domestic stock and feral animals, and human impacts through tourism caused serious environmental degradation.