... circles in the sand 沙滩上的圈圈 coaxial circles 共轴圆; 同轴圆 commercial circles 商业界人士 ...
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limiting points of coaxial circles 共轴圆的极限点
coaxial system of circles 共轴圆系
coaxial pencil of circles 共轴圆束
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In each cylindrical section (measuring cylinder) coaxial with the datum axis a, the section line shall be contained between two circles 0.1 apart and perpendicular to the datum axis a.
在每一个与基准轴a同轴的圆柱面内(测量圆柱)，该截面线应包含和基准轴相距0.1两个圆圈之间。
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