Each crawler provides independent, infinitely variable control and counter rotation capability.

每个履带都提供独立、无限可变的控制和反向旋转能力。

If any of that feels uneasy, consider some linear transformation, like a 90 degree counter clockwise rotation.

如果你觉得不舒服 可以考虑一些线性变换 比如逆时针旋转90度。