The phrase "a constant feature in" is correct and usable in written English.
It can be used to describe something that is consistently present or recurring in a particular context or situation.
Example: "The presence of wildlife is a constant feature in the national park, attracting visitors year-round."
Alternatives: "a regular aspect of" or "a persistent element in".
It was in his novels above all, and in his autobiographical writings (the interchange between these two literary activities remains a constant feature in his case), that Stendhal's thoughts are expressed most fully.
"It is no wonder that these sky-high numbers of killed journalists have become a constant feature in the last decade, during which the usual reaction from government and the United Nations has been a few words of condemnation, a cursory inquiry and a shrug of indifference," he said.
Céline's bags are a constant feature in street-style fashion photography, perhaps partly because while a Céline silk shirt cost more than £700, or $1,100, at Dover Street Market in London, its leather cross-body trio bag is available via the German store Andreas Murkudis for €550.
I grew up just outside of Edwards Air Force Base, and sonic booms were a constant feature in the late 70's/early 80's.
"The Caribbean," the author explains, "remained a constant feature in the lives of migrants, while for those who remained in the region, migration was seen as a link with 'foreign', not a severance from home, an opportunity to extend, not disrupt the family links". (p. 91) Migration thus became a way to connect people across regions and to continue their social practices across national boundaries.
The lack of effective, repetitive and longitudinal interventions and resources for use by this group was a constant feature in the synthesis.
"Biblical narrative, and verses, have been a source and a constant feature even in my art," he says.
Quakes, most of them minor, and none as strong as the one in 1985, remained a constant feature of life in Mexico City.
Outbreaks of dysentery and cholera are a constant feature of life in the camp, and aid agencies are desperately trying to supply enough medicines to keep people alive.
In the decades after Lincoln, Shakespeare productions were a constant feature of frontier life in the west.
A constant feature of Jewish culture in the medieval Mediterranean was the dedication of panegyric texts in Hebrew, Judeo-Arabic, and other languages to men of several ranks: scholars, communal leaders, courtiers, merchants, patrons, and poets.
