persistent memory meaning in English

[网络] 持续记忆体；常驻记忆体；持久内存

however, if named parameters are given mutable default values, the parameters can act as persistent memories of previous invocations
然而，如果赋予了命名参数可变的缺省值，那么参数就可以，用作以前调用的持久存储器。
the results, reported in the journal neurology, suggest that chronic distress throughout life may in later years contribute to mild cognitive impairment-- persistent memory difficulties, such as forgetting people's names or misplacing items, which can evolve into advanced dementia
发表在神经学杂志的研究表明，生活中长期压力可能会导致轻度的认知障碍??如想不起别人的名字或遗忘东西等持续性记忆困难，这些会演变为严重痴呆。