观察脑袋的轮廓和口吻的轮廓，是两条大致平行的直线，长度大致相等，被一个非常轻微，但可察觉的止部分隔开。
Viewed in profile the top of the skull and the top of the muzzle lie in two parallel, straight lines of equal length, divided by a slight, but perceptible "stop" or break.
观察脑袋的轮廓和口吻的轮廓，是两条大致平行的直线，长度大致相等，被一个非常轻微，但可察觉的止部分隔开。
Viewed in profile, the top of the skull and the top of the muzzle lie in two parallel straight planes of equal length divided by a slight, but perceptible "stop" or break.
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。
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.
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