更新时间：2024-05-06 12:57:32
名词 abundance:- the property of a more than adequate quantity or supply
- (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
- (chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million
- abundance of grain
- abundance of plants
- abundance standard
- abundance of ions
- abundance
- abundance anomaly
- abundance of risks
- abundance broadening
- abundance of water
- abundance variation
- abundance and life
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