per·ma·nen·cy /-nən(t)si/
永久的人[物.地位]
Per·ma·nence Per·ma·nen·cy n. The quality or state of being permanent; continuance in the same state or place; duration; fixedness; as, the permanence of institutions; the permanence of nature.
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permanency
n : the property of being able to exist for an indefinite
duration [syn: permanence] [ant: impermanence]