The authors say the last government cut child poverty at a scale and pace unmatched by other industrial nations - although it did miss targets.
What followed was what one Danish chronicler has described as "a social quantum leap unmatched in depth, extent and pace anywhere in the world".
Since then, the efficiency of perovskite solar cells has climbed from 3.8% to 19.3%, a pace of improvement unmatched by any other solar technology.
"Together, the size and global reach of FireEye and Mandiant will enable us to innovate faster, create a more comprehensive solution, and deliver it to organizations around the world at a pace that is unmatched by other security vendors".
Apple and its high-technology peers -- as well as dozens of other American industries -- have achieved a pace of innovation nearly unmatched in modern history.
The S.E.C.'s attitude is shown not only by the fact it has begun 128 investigations of corporate accounting and reporting issues this year, a pace that Steve Cutler, the commission's director of enforcement, said yesterday was unmatched in recent years.
Alex Bove of Ultimate Rollercoaster also reviewed the ride favorably: "From its comfortable restraints, silky ride and delightful pacing to its avian aesthetics, Superman: Ultimate Flight demonstrates B&M's unmatched attention to detail and their genuine desire to create enjoyable rides that surprise us over and over again".
Though far short of the record 2.6m vehicles Toyota sold in America in 2007, this is a sign of the German group's intent.The relentless pace at which VW continues to churn out an unending succession of new models across its unmatched stable of brands, each one keenly priced and brimming with showroom appeal, has shaken the rest of the industry, Toyota included.
"Short-form online video is growing at an astonishing pace and with Maker Studios, Disney will now be at the center of this dynamic industry with an unmatched combination of advanced technology and programming expertise and capabilities," said Disney CEO Robert Iger in the acquisition release.
"The sightlines are unmatched".
