名词
中文翻译：粒状大小
同义词：
['granularity', 'grain size']
例句：
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1.The grain size of the sand is very fine.
沙子的粒径非常细。
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2.The grain size of the rice is measured by the length of the grains.
大米的粒径通过米粒的长度来测量。
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3.The grain size of the seeds affects their ability to germinate.
种子的粒径影响其发芽的能力。