The phrase "seldom met" is grammatically correct and can be used in written English.
It means something that is rarely encountered or seen. Example: "A true gentleman is seldom met in these modern times."
Then steady state operation condition is seldom met.
I have seldom met anyone more committed to happiness.
In practice, however, those goals are seldom met.
Mr. Pacino has seldom met a play or movie he couldn't dominate, for better or worse.
I have seldom met actresses who would love art itself more than themselves in art.
Stone, after all, has seldom met a scandal he couldn't curl up with and adore.
However, many species are area-demanding and their populations seldom meet their space requirements in reserves.
Happily, now that I'm a freelancer, I seldom meet with anyone but the mailman.
Yet even in New York, he said, he seldom meets another tsimblist.
As with Mariano Rivera's cutter, the potency comes from the lateral movement: the ball seldom meets a bat squarely.
And they said they felt more connected to the patients, whom they seldom meet face to face.
