Guinier focusing camera
纪尼埃聚焦照相机

• particular solution
• partition
• pascal
• Paschen-Back effect
• Paschen bands
• Paschen mounting
• Paschen notation
• Paschen serier
• passage
• passage zero
• passameter
• passatest
• passband
• passband ripple
• passimeter
• passivation
• passive and/or active iamge system
• passive cavity frequency stabilization
• passive fibre optics element
• passive iamging system
• passive infrared system
• passive laser
• passive laser beam comunication satellite
• passively Q-switch laser
• passive mode-locking