Since then the design has undergone almost continuous refinement and a succession of model numbers.

But after two days, a funny thing happened: my taste buds underwent refinement.

These designs are still at a relatively early stage and will undergo further refinement prior to the official release.

At this point no devices are available commercially as the technology is still undergoing refinement.

Indeed, there were serious technical questions about the adjustment technique, which continues to undergo needed refinement.

It underwent refinement throughout the rest of his reign and was finished by his son in 654.

Each element of the method then undergoes iterative refinement through both laboratory and field testing.

The sprawling menu needs and is undergoing refinement.

These structures underwent constant change and refinement throughout the Chola period.

Little new ground was broken, but some earlier constructs underwent refinement.