乒乓球板的结构对称,近乎一条铁律。如新款蒋澎龙碳纤维日式直板,虽然背面并不贴胶皮,仍加入了与正面相同的纤维层。这绝非因为设计者如中国传统文化般笃信对称美学,实在是因为对称易,不对称难。了解球板的人就会知道,板中的木层是有内在应力的,如果结构不对称,两面应力不同,日久天长球板很容易变形。自然,绝大多数设计 The structure of table tennis is symmetrical, almost an iron rule. Such as the new Jiang Peng Long Japanese carbon fiber straight, although the back is not rubber, still joined the front with the same fiber layer. This is by no means because designers such as traditional Chinese culture believe in aesthetics of symmetry, it is because symmetry is easy, asymmetric difficult. People who know the ball will know that the wood in the board is inherently stressful. If the structure is asymmetrical, the stress on both sides will be different and the ball will be deformed easily. Naturally, most designs