名词
中文翻译：主比较者
同义词：
['major comparator', 'primary comparator']
例句：
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1. The main comparator in this experiment is the speed of light.
这个实验的主要比较对象是光速。
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2. The main comparator of the two teams is their performance.
两队的主要比较对象是他们的表现。
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3. The main comparator of the new model car is its fuel efficiency.
新款汽车的主要比较对象是它的燃油效率。