较详细地论证了空间等值线和矢量轨迹线在定量解释中应用的基本方法——量扳法。

Then the application of the spatial contour and the vector track in quantitative interpretation was discussed in detail.

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介绍了通过矢量运算方法对立铣加工刀具偏移方向和刀具轨迹进行快速自动判别和计算的原理和方法。

The principle and method was introduced of identifying cutter offset direction and calculating cutter path according to vector operation.

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该系统用零矢量分割的准圆轨迹法生成pwm波形。

PWM wave is generated by splitting Zero vector quasi circular locus method.

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That limit will be some arrow we can call the velocity at the time and it will always be tangent to the curve.

那个极限也就是一个矢量,我们称之为瞬时速度,并且它总是和轨迹相切的

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