Adopt digital computerized control system, needle stitch , stitch length, Automatically positive and negative points, backstitch , stitch pattern setting , one screen operation, easy to operate.

采用电脑数字控制系统，针距、珠点、半针按钮，自动正反点、倒缝、花样线迹设定，一屏操作，轻松方便。

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Finally the negative feedback effect of the aileron operation on the control parameters in the stable region is studied.

最后研究了副翼操纵反馈设计对操纵参数稳定域的影响。

youdao

Finally the negative feedback effect of the aileron operation on the control parameters in the stable region is studied.

最后研究了副翼操纵反馈设计对操纵参数稳定域的影响。

youdao