division ratio
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美
- 标度比
双语例句
- A paving asphalt penetration ratio improver was introduced.
介绍了一种提高道路沥青针入度比的改进剂。 - The isotopic abundance ratio and content are determined with isotopic mass-spectrometry.
文章用同位素质谱法测定了辐照堆元件铀的同位素丰度比和含量。
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