网络时代学术期刊的社会功能已发生价值位移，从注重科研成果的首次发布转变为注重科研成果的社会认同。

In web times, the social functions of academic periodicals have been changing, which is from the first release of research results to the acceptance by the science community.

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本系统除可用于码盘的安装调试外，还可测量物体微位移、物体表面形貌及物体厚度，有很大的实用价值。

The system can be used in installing and debugging the disc and also in measuring the micro displacement of the object, the surface shape and thickness of the object, so it has fairly applied value.

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由此可见本文提出的位移公式法具有很好的使用价值。

Therefore, the algorithm based on displacement formula is of very good use value.

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