|
A time scale specifies divisions of time. *Time standard, a specification of either the rate at which time passes, or points in time, or both *Reference to an approximate duration or quantity of time: * *Orders of magnitude (time) as a power of 10 in seconds; * *as a reference of time unit *Geological time scale, a scale that divides up the history of Earth into scientifically meaningful periods ;In astronomy and astrophysics: *Dynamical time scale ''either'' (in stellar physics), measures the length of time over which changes in one part of a body can be communicated to the rest of that body, ''or'' (in celestial mechanics) is a realization of a time-like argument based on a dynamical theory *Nuclear timescale, estimates the lifetime of a star based solely on its rate of fuel consumption *Thermal time scale, estimates the lifetime of a star once its fuel reserves at its center are used up or if they were to disappear ;In cosmology and particle physics: *Planck time, the time scale beneath which quantum effects are comparable in significance to gravitational effects ;In mathematics: *Time-scale calculus, the unification of the theory of difference equations with differential equations ;In music: *rhythm, a temporal pattern of events *Time scale (music), divides up music into sections based on the scope 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Time scale」の詳細全文を読む スポンサード リンク
|