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。

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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。

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The optimeter is widely used to precisely measure external size of workpiece by comparison with a gauge block or standard part.

本仪器是一般是用标准器（如量块）以比较法测量工件的尺寸。

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On Friday, when Gramm rose to block the measure, it was more with a whimper than a bang.

CNN: Sighs and whimpers

House Democrats, however, say the deal includes an estate tax that is too generous to the wealthy, and they have threatened to block the measure.

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Even if the government manages to push the liberalization through, India's states must ratify the decision, giving local authorities such as Ms. Banerjee's in West Bengal another way to block the measure.

WSJ: Hurdles Slow India Retail Plan