monoscope cathode-ray tube
单筒阴极射线管

• hairspring
• hair-tigger method
• hair-trigger operation
• halation
• halation by diffusion
• halation by reflection
• half adder
• half and quarter wave plates
• half-angle
• half-angular breadth
• half axis
• half bandwidth
• half breadth
• half-circle protractor
• half-concentric resonator
• half-confocal rsonator
• half-dislocation
• half duplex
• half-intensity width
• half-life
• half-life period
• half-linear with
• half-maximum line breadth
• half-peak breadth
• half-period