The word rate is used in two ways within the structure. First, rate is a paygrade. Enlisted navy personnel do not have rank: only naval officers do. Second, rate is an abbreviation that contains both the rating and the paygrade abbreviations.he first steamship, mine, radar, torpedo, aircraft carrier, and many other âfirstsâ all established a new era in the Navy, and each directly impacted the enlisted occupation structure. During World War II, the Navy also briefly maintained a rating of Specialist, similar to the rank in the United States Army.
In mathematics and statistics, a stationary process (or strict(ly) stationary process or strong(ly) stationary process) is a stochastic process whose joint probability distribution does not change when shifted in time.
Motion can be defined as a change in the position of a body with respect to time and another body. Motion is relative in physics. Motion and rest are fundamental ideas in physics. There is no absolute rest as all bodies in the Universe are in a perpetual state of motion. Stars, planets, constellations and even galaxies are in motion with respect to each other.Planets revolve around stars and galaxies move away from each other.