In contrast, it is hard to classify observations in complex matrices such as soil if the complete reactions responsible for the observations are not first discerned.
At the finish, it was impossible for the eye to discern which skier was first.
I also had another big impetus that was kind of behind this all, and one of the things was, I saw the new direction of the F.B.I., perhaps -- it was kind of hard to discern when it was first announced, but I thought I saw some impetus towards a little more additional bureaucracy and micromanaging from headquarters.
The initial time when the bud could first be discerned was recorded as the time to germination.
Legendary and apologetic (defensive) motifs, and the various preoccupations of the communities for which they were first produced, can readily be discerned as influences upon their narratives.
For Beard, the skull's function as a tool of tyranny can be deduced from understanding the culture of the reigns of Tiberius and Caligula, under whom, she says, the lineaments of modern dictatorships can first be discerned.
"How a doctor thinks can first be discerned by how he speaks and how he listens," Dr. Groopman writes, noting that studies have shown that physicians, on average, interrupt patients less than 18 seconds after they have begun telling their story.
"Whether Ötzi suffered from stomach problems cannot be said with any degree of certainty because his stomach tissue has not survived and it is in this tissue that such diseases can be discerned first.
A second objective was to discern arteries from veins by using the combination of FBI with the subtraction technique.
Cues that a family medicine or pediatric practice is welcoming to adolescents can be discerned well before the first visit.
Shen Kuo was the first to discern magnetic declination of true north while experimenting with a compass.
