名词
中文翻译：细度数
同义词：
['fineness', 'fineness index']
例句：
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1.The fineness of the steel is crucial for its strength.
钢的细度对其强度至关重要。
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2. The fineness of the sand is measured by its grain size.
沙子的细度通过其颗粒大小来衡量。
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3.The fineness of the paint affects how well it adheres to the surface.
油漆的细度影响它与表面的附着力。