采用多种输入校验方法和有效性验证技术，减少输入错误；
Multiple input validation methods and effective(verification) approaches which can reduce data error are adopted in the software.
除了输入数据之外，测试人员需要校验显示的数据或应用程序的输出是否是正确的。
In addition to entering data, testers need to verify that the data displayed, or output by the application, is correct.
最好校验一下输入参数，并检查环境变量是否设置正确。
It is a good idea to validate the input parameters and to check if the necessary environment variables are properly set.
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