In the spherical surface NC turning, the correct tool length compensation and tool nose radius compensation are significant to guarantee the precision of spherical surface.

在球面的数控车削加工过程中，刀具长度补偿和刀尖半径补偿的正确与否对于保证球面的轮廓精度极为重要。

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The Spherical Drive System would allow for zero turning radius, and a vehicle extremely easy to ride.

ENGADGET: Alt-week 9.22.12: Quantum Scotch tape, moving walls and scientific beer