zoom optics
(1) 连续变焦光
(2)可变焦距光学装置

• microscopic field
• microscopic holography
• microscopic iage
• microscopist
• microscoppic analysis
• microscopy
• microscratch
• microsecond
• micro-section
• microshell target
• micro-sho
• microspectrograph
• microspectrography
• microspectrophotometer
• microspectroscope
• microspectroscopy
• microstereology
• microstructure
• micro switch
• micro-switch
• microsystem
• microtechnic
• microtelescope
• microtome
• microvolt