referent
referent 英 ['ref(ə)r(ə)nt] 美 ['rɛfərənt]
n. 指示物；指示对象
名词复数:referents
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- n. 指示物；指示对象
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1. Weak references have two constructors: one takes only the referent as an argument and the other also takes a reference queue.
弱引用有两个构造函数：一个只取 referent 作为参数，另一个还取引用队列作为参数。
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2. Reference objects themselves are subject to garbage collection and can be collected before the referent, in which case they are not enqueued.
Reference 对象本身服从于垃圾收集，并且可在 referent 之前被收集，在这样的情况下，它们没有加入队列。
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3. All Reference types are cleared before they are enqueued, so the thread handling the post-mortem cleanup never has access to the referent object, only the Reference object.
所有 Reference 类型在加入队列之前被清除，所以处理事后检查（post-mortem）清除的线程永远不会具有 referent 对象的访问权，而只具有 Reference 对象的访问权。
- referent (adj.) 1838, from Latin referentem (nominative referens), present participle of referre (see refer). As a noun from 1844.
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