• 1. external surface area: 外表面 | 外比表面积
• 2. soil external surface area: 土壤外表面积
• 3. carbon black external surface area: 炭黑外表面积

更多释义

• 1.Because of its much larger external surface area and much smaller pore diameter than granular carriers, it is expected to benefit diffusion-controlled fast surface reactions.
  因为纤维催化剂比粒状催化剂的外表面积大得多，而直径却小得多，因而予计对扩散控制的快速表面反应是有利的。
  dict.yoduao.com
• 2.What’s so great about the dome is that it does exactly what Bucky wanted; that is, it has the highest ratio of enclosed area to external surface.
  圆屋顶额伟大之处在于它封闭区到外部表面的比例最高，那正是巴基想要的效果。
  dict.yoduao.com
• 3.What's so great about the dome is that it does exactly what Bucky wanted; that is, it has the highest ratio of enclosed area to external surface.
  圆屋顶额伟大之处在于它封闭区到外部表面的比例最高，那正是巴基想要的效果。
  dict.yoduao.com

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