您应该有4个值存储在状态文件中。
You are supposed to have four values to store in the status file.
同样，在实际应用中，缓存状态文件可用于验证缓存清理，如下所示。
Again, in a practical application, the cache state file can be used to validate cache clearing as shown below.
启动计算时，计算程序将读取状态文件以决定从何处开始计算。
On startup, the application reads the state file to determine where to begin computation.
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