• 1. mass concentration: 质量浓度
• 2. particulate mass concentration: 颗粒物质浓度
• 3. mass concentration factor: 质量浓度系数

更多释义

• 1.High mass concentration of lead induced adventitious roots.
  高质量浓度铅诱导不定根产生。
  dict.yoduao.com
• 2.Study on relationship between extinction coefficient and mass concentration.
  气溶胶消光系数与质量浓度的相关性研究。
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• 3.The particle mass concentration rises with the increase of particle diameter.
  飞灰质量浓度随着颗粒粒径的增大而增加。
  dict.yoduao.com

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