We analyze the error reasons of inferring inside block of amperemeter in the middle divisor as well as bring forward betterment measure.
本文分析了用半偏法测电流计内阻时误差产生的可能原因，并提出改进措施。
2
Through measuring cylindrical section and surface of gauge block, this system is viable to measure free-form surface and high-reflective metallic surface.
对圆柱正截面和量块表面的测量试验验证了该测量系统对自由曲面和金属强反射表面测量的可行性。
3
The optimeter is widely used to precisely measure external size of workpiece by comparison with a gauge block or standard part.