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.
最后在实验的基础上对湍流廓线计算球面波斜程大气相干长度作了讨论。
At last, some problems of getting atmospheric coherent length from the integral of turbulence profile were discussed.
镜头长度较短，采用非球面塑料透镜，生产成本较低，成像性能良好，满足使用要求。
With aspherical plastic lens and short length, the production cost can be decreased. The lens has good performance and meets practical requirements.
海图的基准比例尺是图上一个单位长度与其对应的球面上长度的之比，用分数表示。
The natural scale of a chart is the ratio of a length measured on the chart to a corresponding length measured on the surface of the Earth and is expressed as a fraction.
以赫芝偶极之电磁场合成任意长度偶极天线在球面上电磁功率密度流之时变玻因亭向量。
The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or Hertz dipoles.
以赫芝偶极之电磁场合成任意长度偶极天线在球面上电磁功率密度流之时变玻因亭向量。
The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or Hertz dipoles.
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