出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/07/15 21:37 UTC 版)
Linear density, linear mass density or linear mass is a measure of mass per unit of length, and it is a characteristic of strings or other one-dimensional objects. The SI unit of linear density is the kilogram per metre (kg/m). The linear density, μ (sometimes denoted by λ), of an object is defined as:
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交通量.
a tension
磁極性.
in mathematics, a line on which each point is associated with a real number
frequency-dependent conductance
of something, to be thick and heavy