"realize the connection" is correct and usable in written English.
You can use it when you want to describe the act of understanding how two things are related. Example: I finally realized the connection between the two events when I heard his story.
This nonlinear phenomenon is known as emergence, and Holland was among the first to realize the connection between emergence and individual and organizational adaptation.
"The research is there showing that high stress levels do increase the risk of getting injured, but few lay people realize the connection," Dr. Maniar said.
It was gifted to the United States in 1975, but the museum's curators didn't realize the connection until 2001, when the grandsons of the man who donated the tree came to visit and told the story of how it had survived the bomb blast and radiation.
After guaranteeing the performance of DC bus operation by means of primary and secondary level controllers, the tertiary level control is employed to realize the connection to external DC systems.
It's almost square, which makes it resemble the camera depicted in the Instagram icon on the iOS and Android app, and once you use it, you realize the connection probably isn't entirely accidental.
As Beaudreau went through this process, he came to realize the connection between sight and sound and their tremendous capacity to augment one another.
"We ricochet around," he said, "and we don't realize the connections until later".
All other necessary codes, including the code necessary to realize the connections between the client and employed services, are generated based on the specifications describing clients, services, and connectors.
CBM extraction through horizontally connected wells realizes the connection of two wells by controlling well trajectory in coal seam, can effectively increase CBM flowing area, and improve CBM recovery of single well.
This model therefore realized the connection between Eulerian model and Lagrangian model.
I had never realized the connection of therapy and money was so concrete.
