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利用稳定性碳、氮同位素技术是用于牛肉产地溯源的有效方法。
The technology of stable C, N isotope ratio is an effective method for geographical origin traceability of beef.
youdao
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利用稳定性碳、氮同位素技术是用于牛肉产地溯源的有效方法。
The technology of stable C, N isotope ratio is an effective method for geographical origin traceability of beef.
youdao