The phrase "a clear systematic" is not correct as it is incomplete and lacks a noun to modify.
You can use it when you want to describe something that is both clear and systematic, but it needs to be part of a larger phrase.
Example: "We need a clear systematic approach to solve this problem."
Alternatives: "a coherent systematic" or "a well-defined systematic".
Even though the TB charts were developed and produced in the 1930s, there is relevance to twenty-first century health communication, notably through iterative design, and a clear, systematic and accessible approach to graphic design.
The work of Viète, described above, contained a clear, systematic, and coherent conception of the notion of equation that served as a broadly accepted starting point for later developments.
As the resolution is increased there is a clear systematic shift in the stellar mass vs. halo mass relation - with the halo mass at fixed stellar mass increasing at both low and high masses, while remaining almost constant around the bend in the relation at a few times (10^{9}{mathrm{M}}_{odot}) in stellar mass.
He highlighted previous comments in which Kaye had lamented the lack of a "clear, systematic and holistic organization or plan to the way federal agencies are tasked with studying the basic toxicity and exposure scenarios of chemicals".
When not accounting for differences in hematocrit, the pharmacokinetic model showed a clear systematic prediction error across the range of observed hematocrit values.
There was a small error towards higher observed concentrates for the low concentration solutes (magnesium and calcium), no systematic error for potassium 3 mmol/L and a clear systematic error towards lower observed concentrations for potassium 4 mmol/L.
With the exception of secondary DENV infection, ADE of flavivirus infection does not have any clear systematic in vivo proof and is still under debate.
Additionally, our failure to find a spatiotopic organization in AC parallels previous attempts in mammalian auditory cortex, which did not discover any clear systematic organization either (e.g., Middlebrooks et al. 1998 20022; Recanzone et al. 2000) even with fine-grained single-cell recordings and with sounds presented at near-threshold.
The tunnel was opened in a sandstone siltstone rock mass having clear systematic discontinuity sets.
The "War," created by President Nixon, became a pivotal issue for his administration, and aided in converting a system that had long thrived on clear, systematic disparities, and made them less visible.
It is a collection of datasets giving a clear and systematic study of long term developments in European society.
