词
, 麦克风;
The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the...
摆线逆运动中与动切线成定角的直线,其包络也是圆周渐开线.
cardioid
/'kɑːdɪɔɪd/ /'kɑrdɪ,ɔɪd/
- n. 心脏线
- (灵敏度模式呈心形的)定向麦克风
- adj. 心脏线形的
- (麦克风)灵敏度模式呈心脏形的
明：以上例句、词性分类均由互
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相似单词
cardiogram, cardiograph, cardiography, cardiohepatomegaly, cardiohyperplasia, cardioid, cardioinhibitor, cardiokinetic, cardiokymograph, cardiolipin,