名词 double reed:

1. a woodwind that has a pair of joined reeds that vibrate together

2. a pair of joined reeds that vibrate together to produce the sound in some woodwinds

doublestubn.双截线(双短线)doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double frequency sequence signalling system双频顺序信令制Double Pressure--release Troughs Method双卸压槽法double-wavelength standard addition method双波长标准加入法double screwy roller grinded-paste machine双螺旋辊式磨浆机Double dark blue ruffled/variable pink.重瓣的深蓝色折边花，偶有变异的粉红色。Double white pansy/dark raspberry edge.重瓣堇形花，白色底，暗的梅子色镶边。Double-taper helical slow-wave structure双渐变螺旋线慢波结构double-quadrant D.C.converting circuit双象限直流变换电路Double two-party secret sharing mechanisrn双重二方共享机制double la belling immunoperoxidase technique双标志免疫过氧化物酶技术