'not well distinguished' is correct and usable in written English.
You can use this phrase to describe something that cannot be easily discerned or to describe something that is not easily distinguishable. For example, "The clear night sky and the mist created an eerie landscape, where the stars were not well distinguished."
Bet v 1.02A and Bet v 1.02B were not well distinguished in the coding sequences, but had distinguishable introns.
Our research has shown that buildings with different designs are not well distinguished by the widely recognized shape descriptors for general 3D models.
Further, the health outcomes related to PE are not well distinguished from those related to advanced cancer, further limiting the generalizability of the results.
Their respective effects, however, are sometimes not well distinguished, even though habitat loss is recognized as the most important source of variation affecting species abundance and richness at the landscape scale.
The early-stage and high-grade tumor samples however are not well distinguished.
The necrotic tissue is not well distinguished due to these artifacts and it is unclear if it is part of the lymphoid region or part of the external connective tissue.
Particles smaller than the pixel size (30 μm × 30 μm × 30 μm) may not be well distinguished as pixels with CT values corresponding to the density of volcanic ash. Figure 3a, b shows scattered distribution of red pixels, whereas Fig. 3c shows rather clustered distribution of red pixels.
In studies of statistical models for CAC, the two aspects of model fitting have not been well distinguished, and the best estimation models have been used for prediction without rigorous justification, or vice versa.
1, 3 They are not always well distinguished in the medical literature, being closely-related members of the L. donovani species complex, 4, 5 but this disguises some important epidemiological differences.
Although both the Rhineland and Khazarian hypotheses depict a Judean ancestry and are not mutually exclusive, they are well distinguished, as Caucasus and Semitic populations are considered ethnically and linguistically distinct (Patai and Patai 1975; Wexler 1993; Balanovsky et al. 2011).
However, noncognate amino acids that structurally and chemically resemble the cognate substrates are often not well-distinguished in the synthetic reactions alone, so that discrimination is based in part on inherent aaRS-based hydrolytic editing and (8)).
