为了测试Team Room的通知功能，而不必访问外部网络，也不使用电子邮件检验系统，我们可以编写mock测试方法。

In order to test our Team Room notification function without accessing the external network or having an email validation system in place, we can write mock test methods.

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如果系统采用传统的未提供日志功能的文件系统，那么操作系统在检测到系统为非正常关机时，会使用fsck应用程序执行一致性检验。

When a system using a traditional, non-journaling file system is improperly shut down, the operating system detects this and performs a consistency check using the FSCK utility.

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该系统经过实践检验，证明性能良好，功能齐全，自动判别准确率高。

Throughfield tests, it has been Shown that this self-contained system features good performance and acceptable accuracy in automatic recognition.

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