The phrase "a subject of frequent" is correct and usable in written English.
It can be used when discussing topics or themes that are often addressed or mentioned in a particular context.
Example: "Climate change is a subject of frequent debate among scientists and policymakers."
Alternatives: "a common topic of" or "a recurring theme in".
Hainan chicken rice is a main dish of the region, making it a subject of frequent squabbles between Malaysia and Singapore.
Indeed, symbioses are very important factors in poplar physiology and consequently have been a subject of frequent investigation.
Mindful of the dependence of many low-income families on credit, she introduced a bill to regulate hire purchase agreements, at the time a subject of frequent abuse, and with all-party support she secured the passage of the Hire Purchase Act 1938.
I know it happens in sections of the Jewish world, particularly in relationship to Arabs and Muslims, and I make that a subject of frequent attention in Tikkun magazine and a subject for repentance each year in my own Beyt Tikkun synagogue in S.F. and Berkeley California, and in the "For Our Sins" supplement that we send out to all our supporters for use in their communities.
The second parameter (circle_params) is a container (list) of center coordinates, radius length and a maximum geohash precision value: In a given area predefined zones like countries, districts or municipalities are subject of frequent queries in a spatial database context.
Wells, a left-hander, has been the subject of frequent trade rumors since the White Sox got off to an abysmal start.
When a police force has been the subject of frequent complaints, the Department of Justice (DoJ) is often called in to investigate and make recommendations.Under Barack Obama's administration, the department currently has 27 active cases, looking at city forces such as Seattle's or Cleveland's and also at some individual sheriffs' departments.
Although denounced as a traitor by his government and the subject of frequent allegations about his motives in some of the Israeli press, his actions have won him international support.
Another way of describing that is to say that it's a controversial program that has been the subject of frequent critical newspaper coverage, including in the Boston Globe and New York Times.
In a statement, Mills said the couple, who have been married since 1979, were the subject of "frequent speculation the separation was a sham".
"Yet the reports prepared in mid-January -- at a time when Mr. Lindh's case was the subject of frequent negative public commentary by government officials, intense media coverage and almost daily public opinion polls -- omit reference to these statements," they argued.
