The test links to two functions that print the message again: the first time in all uppercase characters and then again in lowercase characters.

该测试程序链接到再次打印该消息的两个函数上：第一次都用大写字符，第二次都用小写字符。

Developers often have tests cases in mind, but they realize them in many different ways: print statements, debugger expression, test scripts.

测试用例通常存在于开发人员的脑子里，但实现起来有不同的方式，如打印语句、调试器表达式、测试脚本。

After that, apparently, the words must meet criteria about frequency of use in print and speech and their ability to stand the test of time.

在这之后，选出的词汇显然要满足经常使用于报刊或演讲的标准而且也需经得起时间的考验。

In addition, you should have access to a Windows environment that you can use to test file and print access.

另外，您应该能够访问一个用于测试文件和打印访问的Windows环境。

If a print preview in Excel appears correct, the test of the Excel Link is successful.

如果Excel中的打印预览正确显示，则说明Excel链接测试成功。