photo-electronic crystal
ae[o]lotropic crystal; crystal anisotropic; anisotropic crystal
fiber optic photo sensors， fiber optic photo switches
photo switches， photo sensors
crystal-controlled oscillator(=crystal oscillator)
cubic crystal and 3m crystal
mix-crystal(mixed crystal)
single crystal nickel crystal superalloy
2+2 photo-cycloaddition
accelerated photo-ageing
activation of GaN photo-cathodes
aerial photo detail transfer
aerial photo interpretation
航空照片判读
航照判释
航照解释
航空象片判读
空中判读
航照判读
aerial photo reconnaissance