optically cascaded pulse
光学级联脉冲

• Lenard tube
• Lenard wiindow
• length
• length bar
• length-measuring instrument
• length-measuring machine
• length of arc
• length of life
• length of run
• lengthwise
• lengthwise modulated laser recording
• lens
• lens aberration
• lens angle
• lens aperture
• lens arra
• lens barrel
• lens bench
• lens blank
• lens blocking
• lens blooming
• lens board
• lens-brush
• lens-cap
• lens-carries