双光子吸收 [电子] two-photon absorption

东方双光鱼 Diplophos orientalis

双光束 dual beam

双光子过程 biphotonic process ; two-photon process

双光镜片 Bifocal lenses

双光子激光器 [激光] two-photon laser

双光束显微分光光度计 double beam microspectrophotometer

双光隐形眼镜 bifocal contact lens