Solids with two parallel, congruent polygonal ends and parallelogram sides.

两个平行且全等多边形端面、侧面为平行四边形的几何体。

Transparent prism-shaped blocks used to refract or reflect light.

用于折射或反射光的透明棱镜块。

Perspectives that shape or color how something is understood.

影响或偏色情况的看法或立场。

Crystals whose faces are parallel to a vertical axis.

面与垂直轴平行的晶体外形。

Retroreflector units used as targets in surveying measurements.

测量中用作目标的回射棱镜装置。