| 摘要 |
<p>The game uses a ball and racquets. The ball is elastic, has a weight of 100-150 gr., and a diameter of 14-22 cm. The racquet has a weight of 220-340 gr., a racquet head of 280-360 gcm, and a grip of 8 - 15 cm length. The racquet has gut stringing. The playing area is divided by a net, and has width of 1.80-3.20 m, and a length of 6.80-8. 50 m. The upper edge of the net is at a height of 0.85-1.25 m. The net may be replaced by a solid surface with a width of 0.14-0.40m. With a height of fall of 1.50 m onto a hard floor, the ball has a return bounce height of 0.40-0.80 m.</p> |
