Complex sentence: Built as an experimental vessel in 1894, and easily the fastest ship in the world at that time, it was demonstrated dramatically at the Spithead Navy Review in 1897 and set the standard for the next generation of steamships, the majority of which were turbine powered.
Split into simpler sentences: Built as an experimental vessel in 1894 she was easily the fastest ship in the world at that time. It was demonstrated dramatically at the Spithead Navy Review in 1897, setting the standard for the next generation of steamships and lead to virtually all ships becoming turbine powered.