名词
中文翻译：负扫描
同义词：
['negative imaging', 'negative scanning', 'negative imaging technique']
例句：
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1. In this experiment, we used a negative scanning technique to detect the presence of bacteria in the sample.
在这个实验中，我们使用了负扫描技术来检测样本中的细菌存在。
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2. The negative scanning showed that there was no signal from the target object.
负扫描显示目标物体没有信号。
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3. The negative scanning helped us to identify the location of the hidden compartment.
负扫描帮助我们确定了隐藏舱的位置。