"a certain degree of difficulty" is grammatically correct and is commonly used in written English.
It is typically used to describe a level or amount of difficulty that is known or expected, but may vary depending on the situation. Example: "The project was challenging, but with a certain degree of difficulty, we were able to successfully complete it on time."
However there is a certain degree of difficulty in understanding a system represented by means of UML diagrams.
There is a certain degree of difficulty in developing and understanding the diagrams used for representing the dynamic behavior of a software application, specified in the Unified Modeling Language (UML).
So we've reached a period of time where I praise him and encourage him to do what he knows how to do right rather than challenging him on the things he loves to do, which are to challenge the impossible or to reach a certain degree of difficulty a lot of times.
It is true that there is a certain degree of difficulty inherent in turning one's apartment into a set from "Miss Saigon," but pulling off "Good Evening, Vietnam" certainly struck me as easier to accomplish than Ms. Sindi's "Southampton Luau," or a "Skyscraper Garden Luncheon," or the toga party she once staged that required 150 yards of white carpet, Ionic columns and plaster Roman busts.
However, the processing of the sample preparation is cumbersome and the instrument operation has a certain degree of difficulty.
The Pi Foundation wanted a certain degree of difficulty so that users would have to stretch themselves to explore and figure stuff out.
However, these approaches have a high associated cost and a certain degree of technical difficulty.
(TEENADVOCATED 2009) "Love hurts"—as the saying goes and a certain degree of pain and difficulty in intimate relationships is unavoidable.
The findings of Berninger and Abbott (2013) indeed point toward compensation of underlying deficits by specific strengths, resulting in a certain degree of masking of literacy difficulties compared to averagely intelligent children with dyslexia.
A possible limitation is that SES groups were defined on the basis of family income, and a certain degree of misclassification is expected because of the difficulties at collecting income data.
The predictions of the parametric simulations have the advantage that they can be more directly compared between regions to evaluate the relative difficulty of resolving them with a certain degree of bootstrap support.
