The phrase 'magnitude and complexity' is correct and usable in written English.
You can use it to refer to a situation or problem that is extremely difficult to understand, solve, or cope with due to its size or vastness. For example: "The magnitude and complexity of the issue of climate change presents a major challenge for decision-makers around the world."
Given the magnitude and complexity of challenges they face, command and control approaches are no longer relevant or efficient.
"Qualitatively and quantitatively, no one has had to deal with the magnitude and complexity that this series of events has shown us".
But aides said she was referring to him when she said that Americans need "a president who understands the magnitude and complexity of the challenges we face".
Given the magnitude and complexity of these decisions, the risk is material that some might damage the UK's economic or fiscal strength".
You can rest assured that Canada did not take lightly the cost of hosting summits of this magnitude and complexity.
Mr. Sollers said in his statement that "the retention of their legal rights in a case of this magnitude and complexity is customary and appropriate".
The quantitative measurement scheme in Table 5 forms a reference model of system magnitudes and complexities.
In order to derive such a model, a set of measures on system sizes, magnitudes, and complexities is defined below.
"As time moves on, you just limit the possibility of getting something done, particularly a bill of this magnitude and this complexity," he said.
Thirdly, subsurface permeable media show strong spatial heterogeneity, with coefficients varying over many orders of magnitude and geometric complexity that make the use of unstructured grids essential.
In fact, this approach amounts to nothing more than choosing to ignore the magnitude and the complexity of the refugee and migrant crisis itself and the realities on the ground.
