| 释义 | 
             
                conic quartering
                
            锥线论zhuī xiàn lùn 
 conics圆锥曲线论yuán zhuī qǔ xiàn lùn 
 conics四等分sì děng fèn 
 quartering二次曲线èr cì qǔ xiàn 
 conic圆锥的yuán zhuī de 
 conic, conical圆锥投影yuán zhuī tóu yǐng 
 conic projection锥齿轮减速器zhuī chǐ lún jiǎn sù qì 
 conic reducer锥顶zhuī dǐng 
 vertex of a cone; conic node
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