资料来源 : pyDict

正弦曲线,窦状隙,窦状小管

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sinusoidal \Si`nus*oid"al\, a. (Geom.)
   Of or pertaining to a sinusoid; like a sinusoid.

资料来源 : WordNet®

sinusoidal
     adj : having a succession of waves or curves