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圓號(hao)，唇振動氣鳴樂器，又稱法國號(hao)。廣泛(fan)用于交(jiao)(jiao)響樂隊、軍樂隊中(zhong)的銅(tong)管(guan)(guan)(guan)樂器。銅(tong)制螺旋形(xing)管(guan)(guan)(guan)身，漏斗(dou)狀號(hao)嘴，喇叭口較大。雖然圓號(hao)屬于銅(tong)管(guan)(guan)(guan)樂器，但其不(bu)僅能吹(chui)出銅(tong)管(guan)(guan)(guan)嘹亮的聲(sheng)音(yin)(yin)還能吹(chui)出木(mu)管(guan)(guan)(guan)柔(rou)和的聲(sheng)音(yin)(yin)，可用于木(mu)管(guan)(guan)(guan)五重奏(zou)。圓號(hao)聲(sheng)音(yin)(yin)柔(rou)和、豐滿，和木(mu)管(guan)(guan)(guan)、弦樂器的聲(sheng)音(yin)(yin)能很好地融合(he)。在交(jiao)(jiao)響樂隊中(zhong)，通(tong)常使用4支圓號(hao)。