isotopic tracing的用法和樣例：
例句
- The isotopic tracing technique is an advanced method in the research of photosynthesis of plants.
摘要同位素示蹤技術(shù)是進(jìn)行植物光合作用研究十分有效的手段。 - In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil.
近年來(lái)鉛同位素示蹤在研究土壤中相關(guān)重金屬來(lái)源及其運移途徑起到獨特的作用。
