1)crossed-field spectrometer,正交场光谱计2)orthogonal function spectrophotometry,正交函数光谱法3)quadrature squeezing of light,光场的正交压缩4)quadrature squeezing of light,光场正交压缩5)crossed electric magnetic field mass spectrometer,正交电磁场质谱仪6)proportional counter spectrometer,正比计数器光谱计