Rousseau diagram
鲁梭图解(求光通量的图解法)

• Hefner lamp
• heical angle
• height
• height analyzer
• height finder
• heightfinder
• height gague
• height-range indictor
• height-to-distance ratio
• Heisenberg's inequality
• Heisenberg's uncertainty condition
• Heisenberg uncertainty principle
• Heisenberg uncertainty relation
• Hektor lens
• helfical fibre
• Heliar lens
• helical
• helical band
• helical bevel gear
• helical eyepiece
• helical flash lamp
• helical flash tube
• helical flute
• helical gas lens
• helical lampl