Sentence examples for noticeable progress has been from inspiring English sources

Although noticeable progress has been made, the rate of recovery of transgenic lines is still low.

But progress has been fitful.

But progress has been limited.

No progress has been made".

Still, progress has been elusive.

But progress has been slow.

However, progress has been glacial.

Here, progress has been uneven.

But progress has been glacial.

Real progress has been made.

However progress has been erratic.