Virtual C++ 6.0编写的圆内旋轮线，动态演示圆内旋轮线轨迹。Q、W键调整外圆大小，A、S键调整内圆大小，Z、X键调整内圆移动速度。-Virtual C++ 6.0 written round hypotrochoid inner circle dynamic presentation cycloid trajectory. Q, W keys to adjust the outer size, within A, S keys to adjust the inner circle s

Virtual C++ 6.0编写的圆内旋轮线，2个动圆。动态演示圆内旋轮线轨迹。Q、W键调整外圆大小，A、S键调整内圆1大小，Z、X键调整内圆2大小。-Virtual C++ 6.0 written round hypotrochoid, two moving circle. Cycloid circular trajectory within a dynamic presentation. Q, W keys to adjust the outer size, the size of the

Virtual C++ 6.0编写的圆内旋轮线，2个动圆。动态演示圆内旋轮线轨迹。Q、W键调整外圆大小，A、S键调整外圆1大小，Z、X键调整外圆2大小。 -Virtual C++ 6.0 written round hypotrochoid, two moving circle. Cycloid circular trajectory within a dynamic presentation. Q, W keys to adjust the outer size, A, S keys to