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1. Oxford American Dictionary

   quality factor

   • IPA[ˈkwälədē ˈfaktər]

   • n.
     a parameter of an oscillatory system or device, such as a laser, representing the degree to which it is undamped and hence expressing the relationship between stored energy and energy dissipation.；a figure expressing the ability of ionizing radiation to cause biological damage, relative to a standard dose of X-rays.

   • noun: quality factor, plural noun: quality factors

2. • 更多解釋

   quality factor

   • n.
     a parameter of an oscillatory system or device, such as a laser, expressing the relationship ...

   Oxford Dictionary