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SPARQL is designed to query data represented with the RDF data model, which represents data as a collection of triples, each of which has a subject, a predicate, and an object.
SPARQL被设计用来查询以rdf数据模型表示的数据,这种数据模型用一个三元组来表示数据,每个三元组都具有一个主语、一个谓语和一个宾语。
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。
Since garbage collection causes non-deterministic pauses all hard real-time threads must use memory that is not subject to garbage collection.
由于垃圾回收会引发不确定的暂停,因此所有硬实时线程都必须使用不会受垃圾回收器影响的内存。
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