“diameter artefact”的概念、定义、翻译、参考文献-科学参考

单词	diameter artefact
释义	diameter artefact Encyclopedia 工学实物标准器释 diameter artefact直径标准器形状良好、直径量值稳定的圆柱形或球形实物标准器。用以定义、实现、保持、复现直径量值。
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