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铁矿石中含有含量的测定,五次测量结果分别是39.10%,39.12%,39.19%,39.17%,39.

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铁矿石中含有含量的测定,五次测量结果分别是39.10%,39.12%,39.19%,39.17%,39.
铁矿石中含有含量的测定,五次测量结果分别是39.10%,39.12%,39.19%,39.17%,39.
你想说明什么问题?化验准确还是问铁的品味?