The phrase "a host of systems" is correct and usable in written English.
It can be used to describe a large number or variety of systems, often in a technical or organizational context.
Example: "The company has implemented a host of systems to improve efficiency and streamline operations."
Alternatives: "a multitude of systems" or "a variety of systems".
These days, AI is a term applied indiscriminately to a host of systems, and while I'd like to say that many stretch the definition, I can't, because AI doesn't really have a proper definition.
The issue of complexity extends well beyond individual cognition, however, to a host of systems concerns related to managed socioecosystems, from cities to fisheries, whose complex dynamics, including delays, positive and negative feedbacks, stock-and-flow relationships (Sterman 2000, 2008), and thresholds (Codeco et al. 2008), complicate management.
However, there is no single formal system that is 'probability', but rather a host of such systems.
Satellites, ultramodern aircraft, electronic systems, human sources, cameras, imaging and electronic devices, and a host of other systems permit the amassing of information on a scale that was unheard of in the past.
Memory processes are commonly thought to relate to a host of personality systems.
He noted how the city had led the way in privatizing the Skyway and parking meters and "could certainly unload a host of patronage systems that deliver subrate services at premium prices".
A host of specialized systems have recently been found, including ones designed for sexual motivation, social inference, judgment under uncertainty and conditioning, as well as content-rich systems for visual recognition and knowledge acquisition.
The complexity of gonadal steroid hormone actions is reflected in their broad and diverse effects on a host of integrated systems including reproductive physiology, sexual behavior, stress responses, immune function, cognition, and neural protection.
If you are reading this, you are now "free" of Quiverfull and a host of other systems imprisoning you.
Tail current analysis was also consistent with descriptions of Ih in a host of other systems.
Anandamide and 2-AG act mainly on CB1 and CB2 receptors to modulate both normal physiology and disease pathogenesis in a host of biological systems, including nociceptive processing (reviewed in [15]).
