该装置使用了一个可转动的分束镜和一个补偿镜，在测量中不需要用标准参考样品。
In this instrument a rotating beam sp litter and a compensating plate are used, in the apparatus there is no need of a standard plate.
本文对大米、小麦粉精度标准样品的研制、复制和使用等具有参考作用。
The paper has importance of direction in preparation and repetition of standard control sample of rice and wheat flour fineness.
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