ratio surface的用法和樣例：
例句
- The nanomaterials as catalysts have high ratio surface area and high surface energy, showing much higher catalytic activity than traditional catalysts.
摘要納米尺度的催化劑具有高的比表面積和表面能，其催化活性顯著(zhù)高于傳統催化劑。 - 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積是奈米碳管的特性。
