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我们做了个检小直角尺(长边50毫米)内、外角的小检具(如图),以90°角度块为标准,以测微计读数,用比较法检定小角尺。结构简单,制作容易。
We made a check small square (50 mm long), outside the small gages (pictured) to 90 ° angle block as a standard to measure micrometer readings, with comparative method for the determination of small square. Simple structure, easy to make.