The phrase "an array of existing" is correct and usable in written English.
It can be used when referring to a variety or collection of items, options, or elements that are already present or available.
Example: "The research presented an array of existing studies that support the hypothesis."
Alternatives: "a range of existing" or "a variety of existing".
But Mr. Goldsmith said the new housing initiative, like the others, was a supplement to an array of existing federal housing programs.
NTL, for instance, said it would provide Internet access through a portal called ntlworld to join an array of existing Web access routes ranging from AOL to Freeserve.
Meanwhile, an array of existing materials can gradually deteriorate and release drugs, or allow them to leak out slowly through pores.
Another measure, which last week won final congressional approval and is awaiting Obama's signature, would extend an array of existing tariff adjustments that benefit U.S. manufacturers.
An analysis released by the office of Senate Minority Leader Charles E. Schumer (D-N.Y ., however, cites $206 billion in cuts to an array of existing infrastructure programs incluD-N.Y .Trump's budget document over thoweverng decites
But for centuries the term has also been used to describe a historical and political phenomenon: that is, when an array of existing human activities and circumstances pass, irrevocably, from one age to the next, across a great divide.
What the Philippines needs isn't a new set of laws, or another autocrat, but instead a competent state, which can actually implement a wide array of existing laws.
The resolution of this issue opens up the possibility of a vast collaborative network, where uniform data can optimize a wild array of existing processes.
The act was designed to simplify and strengthen a byzantine array of existing marine reserves and fishing regulations to create a coherent "ecosystem-based" policy of marine protection meant to allow fish populations, which have been in severe decline, to recover.
Most notable is the scope of the term "Non-Microsoft Middleware," which captures a wide array of existing platform technology, as well as technology not yet developed.
This is unlike the Biological Pathway Exchange (BioPAX), which focuses on the integration and exchange of biological pathway data across a large array of existing pathway resources.
