metrological authorization
... 计量认证 metrological accreditation 计量授权 metrological authorization 计量验证 metrological certification ...
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已建社会公用计量标准21项，实验室认可33项，医疗计量产品型式评价授权4项。
So far, 21 public metrological standards have been established, 33aboratory accreditation items and 4 type evaluation authentication of medical measuring products.
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