On the height of independent spanning trees in chordal rings .
关於弦环图形中独立扩张树高度之研究。
Chordal force distribution determines systolic mitral leaflet configuration and severity of functional mitral regurgitation .
腱索张力分布决定心肌收缩期二尖瓣瓣叶形状和二尖瓣功能性返流程度。
A school or mode of contemporary music marked by extreme simplification of rhythms and patterns , prolonged chordal or melodic repetitions , and often the achievement of a throbbing , trancelike effect .
