"subtle traces" is a correct and commonly used phrase in written English.
It is used to describe something that is not obvious or easily noticeable, but still present or detectable. It is often used to describe small or faint details, signals, or indications. Example: The detective searched the crime scene for any subtle traces that could lead to the identity of the perpetrator.
To achieve that, he went with subtle traces of lemon, lemon grass, jasmine and ginger.
On exam, the doctor found some subtle traces of the patient's history of Graves disease: Her eyes were a little prominent, her thyroid slightly enlarged, though not tender.
Throughout Mojave National Preserve, a 1.6 million-acre park about 140 miles northeast of Los Angeles, the subtle traces of a bygone civilization are all around.
Yet even when stripped of sculptures and whitewashed, these buildings retained subtle traces of their Catholic past, making Utrecht a complex study in cultural archaeology, one that Saenredam couldn't resist.
The former is characterized by subtle traces such as the minor redistribution of paddy straw, whereas the latter is characterized by the concentration of much floating debris.
The results from this study show that use of satellite imagery is a helpful tool for the detection of even subtle traces in vegetation of cultural activities in large-scale mountain landscapes.
His uxorious tenderness betrays a subtle trace of wary cosseting and he switches startlingly into an angry bark – directed at his decadent, whisky-swigging sons.
Her early novels Adam Bede (1859), The Mill on the Floss (1860), and Silas Marner (1861)—are closely observed studies of English rural life that offer, at the same time, complex contemporary ideas and a subtle tracing of moral issues.
Exceptions are cases of visually subtle, trace non-target activity where the absorbed doses are unlikely to be clinically relevant.
Therefore, if the upper PET visual display threshold had remained at the settings used to suppress background noise for target activity assessment, it will be unlikely for visually subtle, trace non-target activity to be detected by the operator.
Considering that the subtle tsunami traces at the inundation limits disappeared quickly (even in early April, traces are not recognizable at few places), our measurement scheme of the run-up heights is expected to be effective.
