The Barrier class is used to create synchronization points for multi-phase operations.

Barrier类的作用是在多个阶段的操作之间创建同步点。

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In each phase, the benefits of centralizing business operations increase, so that value is added incrementally.

在每一个阶段之中，集中业务操作的优势会随之增加，所以该值也会得到不断的添加。

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Being able to use the storage device to perform the data copy phase makes backup and restore operations much faster.

使用存储设备执行数据复制的能力让备份和恢复操作更加快速。

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The next phase, concrete operations, from seven to twelve, you can solve the conservation problem, but still you're limited to the extent you're capable of abstract reasoning.

下一阶段,具体运算阶段,七到十二岁,儿童可以解决守恒问题,但儿童的抽象推理能力仍然有限

耶鲁公开课 - 心理学导论课程节选

The spacecraft will have enough propellant left after the extended mission to potentially allow a third phase of operations.

BBC: Nasa extends Saturn probe mission

And we may be at a point where we can work on a transition to a next phase of operations in the Philippines.

WHITEHOUSE: Press Briefing with Ben Rhodes and Admiral Robert Willard

As I said, the concept of operations here agreed to among the various allies is the United States would contribute unique assets at the beginning including coordination, together with our coalition partners, and that we would then move to the next phase of ongoing operations, including the no-fly zone and preventing attacks on civilians.

WHITEHOUSE: Press Briefing