您要查找的是不是：
- 点圆null circle
- 黑black
- 共点圆concurrent circle
- 太阳也有黑点。There are spots in the sun.
- 圆circle
- 齿顶圆弧衔接点圆直径diameter of top circular-arc juncture circle
- 小贩黑点hawker blackspot
- 齿根圆弧衔接点圆直径diameter of root circular-arc juncture circle
- 黑点症Black-dot disease
- 齿尖圆弧衔接点圆直径diameter of tip circular-arc juncture circle
- 黑丝黑点black line and dot
- 点圆状皮肤病变moist mothod
- 黑点识别black- spots identification
- 安全两方的点圆包含问题Secure Two-Party Point-Circle Inclusion Problem
- 道路黑点road black spots
- N点圆和球的自适应测量The Adaptive Measurement of Circle and Ball of N Points
- 事故黑点black spots
- 单馈点圆极化GPS微带天线的设计Design of single-feed circularly polarized microstrip antenna for GPS Applications
- 小黑点病Petiole spot
- 用馈电校正优化设计双馈点圆极化微带天线Optimization Design of Dual-feed Circular Polarization Patch Antenna Based on Feeding Correction
