anticlockwise polarization
反时针偏振

• difference frequency fluctuation
• difference frequency generation
• difference gauge
• difference method
• differentiable
• differential
• differential absorption lidar
• differential absorption scattering
• differential amplifer
• differential analyzer
• differential calculus
• differential device
• differential discriminator
• differential equation
• differential gain
• differential gear
• differential holographic interferometry
• differential indexing
• differential interferenc microscope
• differential interferometry
• differential laser interferometer
• differential method of measurement
• differential pendulum cam
• differential photometry
• differential planet gear