front cell focusing
前格聚焦
front-cell focusing
前透镜调焦

• mirror peak
• mirror plane
• mirror ramp
• mirror reflection
• mirror reflector
• mirror scanning mechanism
• mirror spacing
• mirror stereoscope
• mirror support
• mirror symmetry
• mirror system
• mirror telescope
• mirror testing
• mirror transition
• mirror wavebeam guide
• mirror wheel
• misadjustment
• misalignment
• misarrangement
• misatched transmission line
• miscalculation
• miscibiltity
• miscoding
• misconnection
• MISIS