The phrase "a function and a requirement" is correct and usable in written English.
You can use it when discussing something that serves both a purpose and a necessity in a particular context.
Example: "In software development, security measures serve as both a function and a requirement to protect user data."
Alternatives: "a role and a necessity" or "a purpose and a prerequisite".
Mr. Bowles "was promoted to non-employment in the White House — to no function and a general requirement of silence," Mr. Galbraith wrote.
Liebchen and Möhring [80] extended PESP by two features, a linear objective function and a symmetry requirement.
B1 B cells are believed to be a unique lineage with a distinct developmental pathway, function and activation requirement.
Dia together with formin-like protein 1 (FMNL1) controls the formation of Borrelia-induced pseudopods that capture and enwrap the pathogene, possibly by a mechanism that requires IQGAP and CLIP170 functions.,, A requirement of Dia has been shown during pathogen infection, such as Shigella.
Two pediatric patients developed end-stage renal disease; one received PD and subsequent renal transplant, while the other had diminished function without a requirement for RRT [ 17].
This chapter provides an introduction of function and function requirements specification.
In the RBO problem, the cost of design is defined as an objective function and a number of design requirements are defined as reliability constraints.
The function and service requirements of an electrical connector for mobile telephones are detailed.
Because of their unique function and bioenergetic requirements, neurons have an uneven cellular mitochondria distribution.
This study provides an intriguing example of how the function and requirement for regulatory proteins and their corresponding signaling pathways can vary drastically depending on the developmental context and cell type.
The building has a safety function, a confinement function, and one of the main requirements is that it has no cracks through which radioactivity can migrate and escape.
