The phrase "a complex and long" is correct and usable in written English.
It can be used to describe something that is both intricate and lengthy, often in reference to a process, explanation, or document.
Example: "The report was a complex and long analysis of the economic trends over the past decade."
Alternatives: "a lengthy and intricate" or "a detailed and extensive".
His personal property holdings could not finance the expense of a complex and long federal trial, she said, and many of his business holdings in partnership with others were tied up because of nearly $1 million in other court judgments.
The volcanic crisis was marked by a lack of contingency planning or strategy for how the FCO and the then the Overseas Development Agency (ODA) would manage a complex and long duration emergency in an overseas territory: 'Ad-hoc arrangements had to be put in place and this was done reactively as the eruption progressed' (Clay et al. 1999).
Dharmakīrti thus explains how an individual (to be called "Jones") can think about and refer to such and such an object in the world through a complex and long causal chain from the particular objects to the mental invention of a quasi-universal and the use of a word on a specific occasion.
"The extent of the pollution and the type of pollutant would call for a complex and long shoreline cleanup operation," Mifsud said.
The development of integrated care is a complex and long term process.
Increasing physical activity levels in those insufficiently active is a complex and long term issue.
While the proposal to criminalise forced marriage is well-intentioned and would likely have some positive effects, it is a quick fix solution to a complex and long-standing problem.
The project continues and AlphaStar will grow stronger, naturally, but the team at DeepMind thinks that some of the basics of the system, for instance how it efficiently visualizes the rest of the game as a result of every move it makes, could be applied in many other areas where AIs must repeatedly make decisions that affect a complex and long-term series of outcomes.
The housing crisis in the Bay Area is a complex and long-standing issue that the region has struggled for years to rein in.
Tim Boals and WIDA strongly believe that "Students' development of social, instructional, and academic language - a complex and long-term process -- is the foundation for their success in school"... and thereafter, no doubt, as statistics show that a lack in such proficiency severely impacts ELL students' decisions to graduate high school and achieve postsecondary degrees.
