isotopic tracing

• 同位素示踪

isotopic tracing的用法和样例：

例句

1. The isotopic tracing technique is an advanced method in the research of photosynthesis of plants.
   摘要同位素示踪技术是进行植物光合作用研究十分有效的手段。
2. In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil.
   近年来铅同位素示踪在研究土壤中相关重金属来源及其运移途径起到独特的作用。