复制算法的性能很优异，但是它有一个缺点是需要两倍于标记-清除收集器所需要的内存。
The copying algorithm has excellent performance characteristics, but it has the drawback of requiring twice as much memory as a mark-sweep collector.
新收集器中的两个——并行复制收集器和并发标记-清除收集器——设计为减少收集暂停时间。
Two of the new collectors are designed to reduce collection pause time — the parallel copying collector and the concurrent mark-sweep collector.
并行复制收集器和并发标记-清除收集器基本上是默认的复制收集器和标记-整理收集器的并发版本。
The parallel copying collector and concurrent mark-sweep collector are basically concurrent versions of the default copying and mark-compact collectors.
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