lemniscate coordinates双纽线坐标
lemniscate logarithmique对数双纽线
lemniscate law兰尼斯卡特定律
spherical lemniscate[数] 球面双纽线
bernoulli lemniscate伯努利双纽线
projective lemniscate[数] 射影双纽线
logarithmic lemniscate[数] 对数双纽线
lemniscate linkage双纽线机构
Booth lemniscate布达双纽线
N（名词） a closed plane curve consisting of two symmetrical loops meeting at a node. Equation: (x² + y²)² = a²(x² – y²), where a is the greatest distance from the curve to the origin. The symbol for infinity (∞) is an example 双纽线