'missing gap' is not correct and usable in written English.
An example of correct usage could be: "I'm missing a key piece of information - the ___ gap."
Despite all the enormous works covered in the aforementioned studies, there is still a missing gap, and the missing link is that there have not been concerted efforts to link maintenance decision policy with manufacturing policy.
This fills a missing gap.
These thermodynamic data provide a key missing gap in the understanding of the Cu Cl cycle of thermochemical hydrogen production.
"Our study expands the IPCC results by identifying drivers of urban energy use and thus enables effective climate change mitigation strategies across cities worldwide, closing a missing gap of the recent IPCC report" she said.
Although the US has in the past called for Saudi contributions to ground troops and has said in the last few days that the missing gap in the coalition plans was ground troops, it fears the prospect of Saudi Arabia joining the already volatile mix of forces in Syria.
And might she be our direct ancestor, a missing gap in the human family tree?
This is also the exciting part of this project – filling the missing gaps in his life.
Something called the Venice charter forbade even the filling in of missing gaps with new material.
The unreliable narrator is in an excellent literary tradition: perhaps he could pull a Tristram Shandy and just fill those missing gaps with some pretty paper.
Visions and sounds that do not exist can be generated by the brain's habit of predicting what it expects to experience, filling in missing gaps in reality, the research shows.
That's not going to fly with VMware customers who do not want to fill in all the missing gaps.
