名词
中文翻译：测试信号
同义词：
['test signal', 'test pulse', "test wave例句：1. The engineer used a test signal to verify the system's functionality.（工程师使用一个测试信号来验证系统的功能性。）2. During testing", 'the software developers used a test signal to simulate user input.（在测试期间，软件开发人员使用一个测试信号来模拟用户输入。）']
例句：
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1. The engineer used a test signal to verify the system's functionality.
工程师使用一个测试信号来验证系统的功能性。
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2. During testing, the software developers used a test signal to simulate user input.
在测试期间，软件开发人员使用一个测试信号来模拟用户输入。
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3. The device was designed to produce a test signal that could be easily detected by the human operator.
该设备被设计为产生一种可以被人类操作员轻松检测的测试信号。