| 释义 |
cardioid/ˈkɑ:diɔid/ n. & adj.●n. 1 Math. a heart-shaped curve traced by a point on the circumference of a circle as it rolls around another identical circle 【数】心脏线 2 a directional microphone with a pattern of sensitivity of this shape (灵敏度模式呈心形的)定向麦克风 ●adj. 1 of the shape of a cardioid 心脏线形的 2 (of a microphone) having a cardioid pattern of sensitivity (麦克风)灵敏度模式呈心脏形的 [Greek kardioeidēs ‘heart-shaped’, from kardia ‘heart’ + -OID] |