Also known as " hardwood clappers " as they are usually made of sandalwood , clappers are played by clapping with one hand in a downward position or with both hands by striking the two pieces against each other to give a brief and crisp sound 40拍板拍板通常用檀木制造，故又名“檀板” 。拍板以单手垂击或双手合击，发音短促，声音响亮。
2.
There are various tactics or methods for giving effect to this principle , such as dispersion and concentration of forces , diverging advance and converging attack , the offensive and the defensive , assault and containment , encirclement and outflanking , advance and retreat 执行这个方针，有兵力的分散和集中、分进和合击、攻击和防御、突击和钳制、包围和迂回、前进和后退种种的战术或方法。
