pentagonal aperture是什么意思

用法例句

Influence of aperture angle on precision of 3D wavefield extrapolation.;

孔径角对三维波场外推精度的影响

The tapered end aperture angle versus the tapered angle and the tapered end radiation angle versus the tapered angle are obtained through the analysis.

用射线理论分析了不同锥角大小条件下锥端光线传输特性,推导出了锥角大小与锥端孔径角及出光发散角的关系。