The technique of double-counterpoint is one of the most important compositional methods, besides, it is also the most difficult part to comprehend in the study of counterpoint.

复对位是对位法中一种重要的技巧，在学习对位法时，复对位也是较难理解的内容之一。

youdao

Rectilinear double window forms a counterpoint to face's preponderant circularity.

FORBES: The Face of Time