The contact ratio of the motor shaft taper surface is one of the significant factor for improving the quality of a motor.

电机转轴锥度面表面接触率是电机的一项重要质量指标。

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Steam retorts is a key working procedure in the process of canned foods, and its stability of technological process is the critical factor for the quality, color and ratio of finished products.

蒸汽杀菌是罐头食品加工过程的关键工序，其工艺流程的稳定性直接决定了产品的质量、成色和成品率。

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And the effect of the image distortion center bias and scale factor ratio offset on image correction quality is discussed.

并对图像的畸变中心和纵横比例因子对校正的影响做了探讨。

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