GC occurs in three phases: mark, sweep, and optionally compact.

GC有三个阶段：标记、清除和可选地整理。

youdao

The copying algorithm has excellent performance characteristics, but it has the drawback of requiring twice as much memory as a mark-sweep collector.

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。

youdao

Two of the new collectors are designed to reduce collection pause time — the parallel copying collector and the concurrent 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。

youdao

After he skewed one and JP Duminy was lbw cheaply having missed a sweep, the redoubtable Mark Boucher shared 78 with Amla before mis-timing to cover which brought about the declaration.

BBC: Hashim Amla hits double ton as South Africa lead India

Trott, moved up the order to open to allow England to play five bowlers, took 33 balls to get off the mark and his reluctance to play any form of sweep to a spin-oriented attack saw the innings grind virtually to a halt.

BBC: England on back foot against Bangladesh in Mirpur

Mark Schonfeld, director of the New York office, said his group wanted to make a "broad sweep" of the companies that seem to be targeted in the e-mails and heighten public awareness.

FORBES: Magazine Article