Moving laterally and trying to get up on the ball screens was difficult".
Negative results in genetic screens are difficult to interpret.
Because tablet PC screens are difficult to read outdoors, particularly under direct sunlight, it limited the options for confidential interview space.
Dr. Andriole said the very concept of not screening is difficult.
"A lot of times I have stuff on my phone that I want to show to people, but looking at something on a 4-inch screen is difficult.
Others have built such a dream device, but none has yet overcome the problem of input: typing on a screen is difficult and handwriting recognition has never really worked.
Choosing compounds for screening is difficult problem due the vast chemical space.
Dense regions in digital mammographic images are usually noisy and have low contrast, and their visual screening is difficult.
In addition, salt tolerance screening is difficult because the phenotypic response of rice to salt stress is highly affected by other confounding environmental factors (Gregorio and Senadhira 1993; Flowers 2004).
One of the intrinsic problems with smartwatches is interacting effectively with them: a two-inch screen is difficult to type on and swiping and gesturing through multiple menus can be frustrating.
