The phrase "distinct tiers" is grammatically correct and commonly used in written English.
It can be used when referring to different levels or layers within a system, group, or concept. Example: The school district uses a distinct tier system for student evaluation: academic performance, extracurricular activities, and community involvement.
As a federal country, Germany has three distinct tiers of administration – federal, state and municipal.
But the yawning deficit meant that they were overruled.The result is a country with two distinct tiers of health care.
A female novelist would never enjoy a Franzen-scale frenzy of adulation in America, which maintains two distinct tiers in fiction.
Shapiro sees his role at Fullscreen as "building the next generation of entertainment talent" which the company splits into three distinct tiers.
In contrast to Cambrian communities that lived very close to the sediment surface, Ordovician communities also grew up to 50 cm (about 20 inches) above the seafloor and established distinct tiers, or levels, similar to those present in modern forests.
CUNY has already said that to help it create more distinct tiers among its colleges, it will differentiate among the salaries of its presidents, paying more to those at the senior colleges and more to research-oriented campuses and those with graduate programs.
In a midwest version of Stratego, officials carved up Chicago into four distinct enrollment tiers based on median family rates of income, education level, home ownership, single-parent, English-speaking, and neighborhood school performance.
Tilia americana comprised a distinct second tier at CS2 where the relative dominance of the species was 21.7 %.
This is especially true for beef cattle and sheep breeding programs that do not have a distinct nucleus tier.
For the former notion, researchers have argued that two-tier items involve related but distinct traits: for the first tier, knowing the correct answer; for the second tier, reasoning using this knowledge (Johnson and Tymms 2011; Treagust 1988).
First, we see if the relationships among items indicated that the tiers represent distinct traits, or whether the first and second tier items are indistinguishable.
