实际上，孔令辉的反手经常是带旋转的，与他的反手反带配合。

Actually, Kong almost spins a lot on his backhand, combined with his off-the-bounce counter flick.

youdao

普通多层膜系结构光子晶体的禁带内能量损失较低，可是禁带宽度通常有限，而且出现较宽的全角高反带很难。

Although the energy loss of ordinary multi-layer photonic crystal structures is low, the band gap is usually limited, there is also wide-wide Angle high anti-band hard.

youdao

youdao