With a swift cuttingmotion, the magician's finger is cut in half, and the severed finger tip is shown to the spectators!
用快速切口行动，魔术师的手指被切开半，并且被切断的手指要诀被显示对观众！
2
The cutting principles including cuttingmotion, cutting quantity, and grain performance of ultrasonic vibration honing are analyzed, and its specialities are generalized.
从切削运动、切削量、磨粒性能三个方面分析了超声波振动珩磨的切削机理，并归纳了超声波振动珩磨的特点。
3
The windblades come to existence by cutting the bamboos into halves. The ends of the bamboos are cut angularly so the lamp lights downwards to the passer-bys and its motion can be seen from afar.