来自侯志远的问题
英语翻译Intheplaneoftheloop,thereisadirectionperpendiculartothesidecontainingthefeed(alongthezaxis).
英语翻译
Intheplaneoftheloop,thereisadirectionperpendiculartothesidecontainingthefeed(alongthezaxis).
![](/static/mobile/images/message.png)
![](/static/mobile/images/time.png)
英语翻译Intheplaneoftheloop,thereisadirectionperpendiculartothesidecontainingthefeed(alongthezaxis).
英语翻译
Intheplaneoftheloop,thereisadirectionperpendiculartothesidecontainingthefeed(alongthezaxis).
在圆形平面上,有一个垂直于包含(沿着Z轴的)动力边的方位.