名词
中文翻译：比较观察
同义词：
['comparative study', 'comparative analysis']
例句：
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1.Comparative observation is a crucial step in the process of scientific research.
比较观察是科学研究过程中至关重要的一步。
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2. The teacher used comparative observation to help students understand the differences between different species.
老师通过比较观察帮助学生理解不同物种之间的差异。
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3. In this experiment, we conducted comparative observation to observe the effects of different variables on the outcome.
在这个实验中，我们进行了比较观察以观察不同变量对结果的影响。