The phrase "a class of unit" is correct and usable in written English.
It can be used in contexts related to categorization or classification, particularly in academic or technical discussions.
Example: "In our study, we examined a class of unit that demonstrated unique properties in the experiment."
Alternatives: "a category of unit" or "a type of unit".
For this purpose, a parametric model is developed that applies to a class of tripod units.
Heterogeneously charged particles represent a class of multipolar units that are characterized by a competitive interplay between anisotropic attractive and repulsive interactions, due to the repulsion/attraction between charged-like/oppositely charged regions on the particle surface.
The AnsaldoBreda Driverless Metro is a class of driverless electric multiple units and corresponding signaling system.
NSB Class 64 is a class of three electric multiple units built by Strømmens Værksted for the Norwegian State Railways.
NSB Class 92 is a class of 15 diesel multiple units built by Duewag for the Norwegian State Railways (NSB).
By ℋ we denote a class of analytic functions in the unit disc Δ = { z ∈ C : | z | < 1 }.
The MAX phase materials are a class of ternary compounds with formula unit Mn+1AXn (MAX), where n = 1, 2 or 3, M is an early transition metal, A is an A-group (mostly IIIA and IVA) element, and X is either C and/or N.
[6] and Soulignac [9] present a proof that the class of proper interval graphs precisely the class of unit interval graphs.
In the companion paper, we established a rationale for exploring the general principles of dendritic processing using a class of Boolean functions the Multi-Cube Units (MCUs).
In the relational clause network of systems under transitivity, we have not only the presence/absence of particular elements of structure shown as realizing terms in a system, but also detailed specification of what these elements of structure are themselves realized by in terms of the class of unit of the rank next below.
