The phrase "a certain frequent" is not correct in written English.
It is not a standard expression and does not convey a clear meaning.
Example: "There is a certain frequent occurrence of errors in the report."
Alternatives: "a particular frequent" or "a specific frequent".
The TSA is also working towards a pilot program that might let certain frequent flyers with good records to pass through checkpoints with less hassle.
With a certain circularity frequent in mythology, the myth validates the very cultic celebration mentioned in the myth.
When node speed increases to a certain value, frequent change of neighbor nodes cannot speed up virus spreading.
This might be true as long as contact does not exceed a certain degree; frequent contact was also associated with this high stigma profile.
The government will soon ban certain frequent travelers to France and Portugal from donating blood as a precaution against mad cow disease, and the American Red Cross plans a far stricter ban.
Certain frequent pathologies such as severe malnutrition were hardly ever referred (2 cases over an 8-months period of observation, out of more than 3000 patients) maybe because guidelines were not entirely correctly applied at all times, but also because malnutrition without associated frank pathology is not a reason for consulting in rural Niger.
By Dean Doner The New Yorker, July 25 , 1959P. 30 When the writer was a boy in Brookings, South Dakota, predictions that the world would end on a certain date were frequent.
PFMs indicate for a certain TF how frequent the nucleotides A, C, G, and T occur at each position within the binding site [30].
For some of the entities at the low end of this spectrum, a certain bias through frequent biopsies at early stages can be suspected (e.g. tumors of skin, thyroid, prostate), although pre-maligant tumors had been excluded from the analysis.
