名词
中文翻译：空设备
同义词：
['null', 'void', 'non-device例句：1. The null device was a critical part of the experiment.（这个空设备是实验的关键部分。）2. The null device was used to test the accuracy of the measurement.（这个空设备被用来测试测量的准确性。）']
例句：
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1. The null device was a critical part of the experiment.
这个空设备是实验的关键部分。
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2. The null device was used to test the accuracy of the measurement.
这个空设备被用来测试测量的准确性。
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3.The null device was removed from the experiment to avoid bias.
为了排除偏见，从实验中移除了空设备。