The phrase "at the same time a similar" is not correct in written English.
It seems to be an incomplete thought and lacks clarity.
Example: "The two events were, at the same time, a similar reflection of societal changes."
Alternatives: "simultaneously comparable" or "concurrently alike".
This new mathematical representation captures several elements which are missing in the traditional representation, maintaining at the same time a similar level of simplicity.
At the same time, a similar grand structure sits alone without fuss or bother, just working hard in elegant industrial simplicity.
The Reformation broke the hold of the Roman Catholic religion on Welsh life without establishing at the same time a similar hold of its own.
At the same time, a similar proportion of clubs, 33% and 21% respectively, have been approached by potential new external investors in the past year.
At the same time, a similar 'cline' of attitudinal invocation as proposed by Martin and White is the basis for the discussion, which argues for several amendments.
At the same time, a similar trend has been observed in other European countries prompting the Committee on Culture, Science and Education of the Parliamentary Assembly of the Council of Europe to adopt in October 2007 a resolution (Resolution 1580, Parliamentary Assembly of Council of Europe 2007) about the dangers of creationism in education.
At about the same time, a similar case arose in Pittsburgh.
(At the same time, a team based at Harvard is doing similar work).
At the same time, a look abroad shows dozens of governments implementing similar climate change policies.
Interest-rate and currency-swap markets grew at the same time, and at a similar pace.
At the same time, similar measurements were performed on KNd(PO3 4 and KTiOPO4 NC for comparison.
