Sentence examples for which has been perfected from inspiring English sources

They've figured out how a dwarf virus bursts out of bacterial cells and hope to borrow the strategy, which has been perfected by the virus over millions of years.

Viacom has asked for far more data than that, and there's only one use for that data: to sue individual users (or shake them down via the threat of lawsuit, which has been perfected by the RIAA) who have watched a few music videos or television shows on YouTube.

Besides genome-wide association studies, the current gene expression based approaches are mainly based on the "signature gene set" concept, which has been perfected during the past 14 years of relentless efforts in gene expression profiles of cancer, cardiovascular disease, diabetes and other disease researches.

Another reason for a new club is a current invasion of English-bred mice developed by England's National Mouse Club, which has been perfecting them since 1895.

But anyone could learn the new art of daguerreotype photography, which had been perfected and publicized a few years earlier by the French artist Louis-Jacques-Mandé Louis-Jacques-Mandé Louis-Jacques-Mandé Daguerre

The Burroughs Corporation began as the Burroughs Adding Machine Company in 1905, producing the world's first practical adding machines, which had been perfected by the inventor William Seward Burroughs a decade or so before.

Regarding "organs of extreme perfection and complication," Darwin (1859, p. 133) noted that "gradations through which an organ has been perfected" should be found among the "lineal progenitors" of the species in question, but this is "scarcely possible" (they are all extinct).

And so, by means of natural selection, interpolation mechanisms have been perfected, which, using quite simple rules based on the statistical regularities of the environment (similarity in colour, clarity and texture, continuity of direction, common movement of parts, etc)., extract edges and lines of demarcation for the use and consumption of the animal that needs them.

It just is, like the weather, which has been defiantly perfect this week.

The envelope is high-quality ivory, as is the letter paper, which has been folded into perfect thirds.

And nothing beats Ristorante Posticino on Main Road, which has been going since 1998 and is perfect for pizza and good family vibes.