high-speed cine-camera
高速电影摄影机

• helium laser
• helium leak detector
• heliumlike ion
• helium-mercury direct nuclear pumped laser
• helium-neo flahs tube
• helium-neo laser
• helium-neon discharge tube
• helium-neon (HeNe) laser
• helium-neon maser
• helium-xenon arc lamp
• helix
• helix angle
• helix angle tester
• helix flash tube
• helmet-mounted binoculars
• helmet-mounted near-infrared binoculars
• helmet tracker
• Helmholtz equation
• Helmholtz-Ketteler formula
• helmholtz reciprocal relationship
• Helmholtz reciprocity law
• Helmholtz's reciprocity theorem
• Helmholtz telesterscope
• hemeralopia
• hemianopsia