“primary standard of line angle”的概念、定义、翻译、参考文献-科学参考

单词	primary standard of line angle
释义	primary standard of line angle Encyclopedia 工学角度计量技术释 primary standard of line angle线角度计量基准统一全国线角度量值的国家标准。又称圆分度基准装置。
随便看	highway safety enhancement project highway sand prevention highway service facilities highway subgrade highway survey Highway technical grade highway technology status evaluation highway timber transportation highway traffic detection highway traffic indication Highway traffic radio highway traffic sign highway transporter for spacecraft highway transport model highway transport vehicle for missile highway tunnel lighting high wear resistant copper alloy high z high Z and high energy particle high-z object high-z supernova search high ì tube high–power microwave technology high–speed schlieren photography high–speed spectral photography

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