Sentence examples for difficulty of observing a from inspiring English sources
Survey estimates may be biased downward given the difficulty of observing a small insect (wingspan of 25 mm) under nonideal conditions in heterogeneous habitats.
The incubation period is not well known, due to the difficulty of observing nests, but observations indicate around 30 days from laying to hatching.
The incubation period is poorly known because of the difficulty of observing nests, but one observation suggested around 23 days from laying to hatching.
Because of the difficulty of observing the precise tongue positions that occur in vowels, a set of eight vowels known as the cardinal vowels has been devised to act as reference points.
Perhaps one of the reasons for limited study in this area is the difficulty of observing geographically dispersed behavior in the immediate aftermath of a terrorist attack.
Very few genes controlling root system architecture (RSA) are known, primarily because of the difficulty of observing root growth in soil.
These redshifts correlate well with the difficulty of observing such galaxies with redshift - currently at z < 0.9 observations are straightforward, at 0.9 < z < 1.2 observations are possible but increasingly difficult, and at z > 1.2 observations rapidly become extremely difficult.
Determining when a slope will fail is a considerably more difficult challenge, largely due to the difficulty of observing or predicting the processes of material strength degradation.
The difficulty of observing the lower corona should not be underestimated since instrumental stray light remains a critical issue in the visible because of the low contrast of the corona with respect to the Sun.
Given the difficulty of observing documentation procedures in the rush to dispose of the dead, it was considered unlikely that a definitive total would ever be established.
Pore space geometry and topology influence flow through media, but the difficulty of observing the configurations of real pore spaces limits understanding of their effects.
