Although, in this case, the pertinent frequency is the frequency of color changes in a sequence of video frames, and not the frequency of an audio signal. (technowize.com)
One way is that it allows you, the designer, to experiment with changes in sequence before you actually start developing the course. (elearningindustry.com)
Some genetic insults can cause breaks in the DNA, while others introduce single mutations - changes in the sequence of letters in DNA. (en.hdbuzz.net)