biprism interference[光] 双棱镜干涉
electrostatic biprism静电双棱镜
orthogonal biprism正交双棱镜
Fresnel biprism菲涅耳双棱镜
refraction of biprism双棱镜折射
experiment of biprism interference双棱镜干涉实验
fresnel ' s biprism菲涅耳双棱镜
fresnel s biprism菲涅耳双棱镜
Fresnel's biprism菲涅耳双棱镜
N（名词） a prism having a highly obtuse angle to facilitate beam splitting 双棱镜