实践证明，该方法较传统示踪方法具有较大优势。

Practice shows that the new method is greatly superior to the traditional ones.

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第三种重要方法是同位素示踪分析。

Radionuclide tracer analysis is a third important method.

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第三种重要方法是同位素示踪分析。

Radionuclide tracer analysis is a third important method.

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