The paper introduced a design method that the plane curve design of out distance long control with whirl line.

本文提出了由外距长控制设计的带回旋线的平曲线设计方法，包括公式的推导、用步骤和实例。

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This paper discusses a stepping motor controller that is used in the production line of one-time-paper-bowl as a whirl glue device. We have developed a system with the controller.

详细论述了用作一次性纸碗生产线上的甩胶机步进电机控制器的设计，研制了完整的步进电机控制器系统。

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Dr. Atzmon's vision and breakthrough technology led him to form Smartfish Technologies and launch a line of computer peripherals based on the company's ErgoMotion technologies, beginning with the Whirl Mouse, to promote a healthy PC lifestyle for work and play.

ENGADGET: Smartfish Engage keyboard automates ergonomics, is finally available