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Secondary Circle

n. 副圈

1、副圈

... 副轴 secondary axis 副圈 secondary circle 次等编稿 secondary compilation ...

2、副大圆

副大圆 secondary circle; secondary great circle大陆 1.

secondary great circle副大圆

secondary circle lines二环系

secondary air reverse tangential circle二次风反切

测绘科学技术

能源科学技术

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