shadow surface

That casts a shadow on the Earth surface.

那阴影投射在地球表面。

Drawing Perspective Shadow on Conical Surface by Tangent Plane Method

切平面法作圆锥画面透视阴影

N CTCP was obtained by using minimum intensity projection ( MinIP) and surface shadow display ( SSD) processing on a workstation.

扫描数据经工作站后处理，用最小强度投影（MinIP）和表面遮盖显示（SSD）法获得N CTCP图像。

The exterior tangency points P1 and P4 mark the coordinates where the penumbral shadow first contacts ( partial eclipse begins) and last contacts ( partial eclipse ends) Earth's surface.

表面接触点P1和P4所处的坐标位置为第一次接触半影区和最后一次接触。

In addition, the features of the Shadow Mask Type PDP studied and developed by Southeast University are introduced and made comparison with the surface discharge PDP.

此外，还介绍了东南大学研究开发的荫罩式PDP的特点，并与表面放电式PDP进行了比较。