为了旋转该照片，我们再次求助于convert命令。
To rotate this picture, we again turn to the convert command.
首次建立了旋转秋千的虚拟样机模型，自定义开发了钢丝绳索的宏命令建模程序。
The virtual prototype model of rotary swing was established for the first time, self-defining modeling program of cable wire was exploited.
次级单片机接收命令信号，控制植入电动关节的旋转方向。
In secondary circuit, the microcontroller receives command signals to control the rotation direction of implanted electric knuckle.
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