The second stage involves testing the features of the software to ensure they are performing as intended.

第二阶段是测试软件的功能，以确保它们按照预期的效果运行。

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The second stage involves testing the features of the software to ensure they are performing as intended.

第二阶段是测试软件的功能，以确保它们按照预期的效果运行。

youdao