natural abundance

• 天然丰度,自然丰度

natural abundance的用法和样例：

例句

1. This approach underpins much of my research on energy and nutrient flux, and has involved both natural abundance and enriched isotope tracing techniques.
   该方法巩固了对于我在能量和营养流的研究，并结合了自然丰度和浓缩同位素跟踪技法。