目的：评价磁性可切削生物活性微晶玻璃对新骨生成的作用。

AIM: To evaluate the effect of magnetic machinable bioactive glass-ceramic on new bone generation.

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本文介绍了利用线切削方法在通用机床上加工非可展直纹抛物面导风轮叶型的原理与装置。

Paper describes the principle and device for machining inducer blades with non-developable parabolic surface profiles with general purpose machines by using the linear-cutting method.

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通过数学推导，证明了该刀具在切削工况下符合齿轮啮合原理，可切制出满足设计要求的齿轮。

With the mathematic derivation it is proved that the cutter meets the specification of the gear meshing under the cutting condition and can correctly shape gears that can meet the design requirement.

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