cardioid的翻译，读音
英/ ˈkɑːdɪɔɪd /
美/ ˈkɑːrdiˌɔɪd /
释义：
n.心脏形曲线
例句
The heart shape, called a cardioid, is common in nature. 心脏的形状，称为心形，在自然中很常见。
The WH20 has a cardioid (unidirectional) pickup pattern. 该WH20有一个心形（单向）拾音模式。
The cardioid pattern can also be used to reduce of an orchestra or audience noises. 心形也可用于减少管弦乐队或观众的噪声. 。
cardioid is directional on one side only, and is typically used for drums. 心形是单一的指向一个方向, 非常适合用来录鼓. 。
The cardioid pickup pattern minimizes annoying feedback when used close to sound reinforcement speakers and monitors, while reducing the pickup of unwanted off axis sounds. 最小的心形拾音模式使用时，恼人的反馈接近扩声音箱和显示器，同时减少不必要的离轴声音回升。