ratio surface的用法和样例：
例句
- The nanomaterials as catalysts have high ratio surface area and high surface energy, showing much higher catalytic activity than traditional catalysts.
摘要纳米尺度的催化剂具有高的比表面积和表面能，其催化活性显著高于传统催化剂。 - The main features of CNTs contain highly-perfect graphitization structure and high specific surface area.
兼具高石墨化程度以及高比表面积是奈米碳管的特性。
