abundance ratio的用法和樣例：
例句
- The isotopic abundance ratio and content are determined with isotopic mass-spectrometry.
文章用同位素質(zhì)譜法測定了輻照堆元件鈾的同位素豐度比和含量。 - The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
土壤生態(tài)系統中水分和養分的豐度和有效性決定土壤的肥力。
abundance ratio的相關(guān)資料：
臨近單詞
abundance
abundance contrast features
abundance/biomass curves
abundance of organic matter
abundance ratio of isotopes
abundance-frequency ratio
Abundance of money ruins youth.
abundance index of Ommastrephes bartrami
Abundance of things engender disdainfulness.
Abundance of things engenders disdainfulness.
