可变数据，包括日志文件及打印池。

Variable data, including log files and printer spools.

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当打印清单时，包含了缓冲池的数量。

When printing lists, contains the name of the spool number.

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当某个任务引发了它无法处理的异常时，运行时将把异常堆栈跟踪打印至控制台，然后将线程返回至线程池。

When a task throws an exception that it does not handle, the runtime prints the exception stack trace to the console and then returns the thread to the thread pool.

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当某个任务引发了它无法处理的异常时，运行时将把异常堆栈跟踪打印至控制台，然后将线程返回至线程池。

When a task throws an exception that it does not handle, the runtime prints the exception stack trace to the console and then returns the thread to the thread pool.

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