名词
中文翻译：观察密度
同义词：
['observational density']
例句：
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1.The study of the ocean's water is crucial for understanding its observent density.
研究海洋水的密度对于理解其重要性至关重要。
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2. The density of the material affects its strength and durability.
材料的密度影响其强度和耐用性。
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3. The density of the soil can affect the growth of plants.
土壤的密度可以影响植物的生长。