Sentence examples for observations difficult from inspiring English sources
The summer circulation has not commanded similar attention, the main reason being that the frequent generation of hurricanes in the area renders in situ observations difficult.
But Antarctica's brutal climate, where temperatures plummet to -21 degrees Celsius in the dark winter months, has made firsthand observations difficult.
Previously, both long-distance (~1 km) and short-distance (~300 m) observations were undertaken; however, the long-distance observations ceased in 1988 because population pressures around the three sites rendered large-scale observations difficult.
Our knowledge of how mating partners encounter each other under field conditions is largely incomplete as a consequence of the small size of the species that renders observations difficult.
Finally, the organization and ANC setup in some facilities made observations difficult.
Despite varied and numerous approaches, little is known about the organization of the bacterial chromosome [ 3, 4], partly because the system is a dynamic one, making direct observations difficult.
Gouzer posted an image of the painting on Instagram and offered this unscholarly observation: "Difficult to say which you would want more, the painting for a lifetime or the model for a night?" The Modigliani was the highlight of the fall auction season in New York: it sold for a hundred and seventy million dollars to Liu Yiquian, a Chinese financier who got his start as a taxi-driver.
Obstacles such as severe soft tissue damage or hyphema may obstruct the visual access to the pupil, thus rendering direct PLR observation difficult or impossible.
From the perspective of the Earth, this crater lies along the southern limb of the Moon, making observation difficult.
Even with the data provided by the Voyagers, Titan remained a body of mystery a planet-like satellite shrouded in an atmosphere that makes detailed observation difficult.
Nonspecific DNA decreased helical structure of ArntbHLH-C/EBP, an observation difficult to explain; however, this might explain the weaker binding affinity exhibited by ArntbHLH-C/EBP for the E-box.
