double-prism 双棱镜

Cornu-double prism 柯努双棱镜

double prism field glass 双棱镜望远镜

maddox double prism test Maddox双棱镜法

double prism beam expander 棱镜扩束

double prism interference method 双棱镜干涉法

OE double escape prism OE双输出棱镜

double image prism 双像棱镜

double hexagonal prism 双层六角棱柱