With refs, you can change the state of multiple objects in a single transaction.
利用refs，可在单个事务中改变多个对象的状态。
A primary use is to manage state across multiple transactions.
其主要用途是在多个事务之间管理状态信息。
Still others will report ready state 1 multiple times.
还有一些则多次报告就绪状态1。
How to run test cases for Singleton object with multiple state?
如何运行多个状态对象的测试用例？
A thread may have multiple state bits set.
一个线程可能设置多个状态位。
The form of state's structure is divided into single state and multiple state.
国家结构形式主要可以分为单一制国家和复合制国家。
The service saves its state so that it can continue through multiple reboots if necessary.
服务会储存其状态，而且即使因需要而多次重新开机后，仍可继续使用。
The service saves its state so that it can continue through multiple reboots if necessary.
服务会储存其状态，而且即使因需要而多次重新开机后，仍可继续使用。
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