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- 3dB正交耦合电桥3dB branch-line coupler
- HF/VHF频段3dB正交耦合器的设计Design of 3 dB Quadrature Couplers for HF/VHF
- 3dB正交定向耦合器3 dB quadrature coupler
- 正在in the process of (doing something or happening)
- 正Chinese 1st month of year
- 正交orthogonality
- 正交试验orthogonal test
- 正交的orthometric
- 正交电桥quadrature bridge
- 正交性orthogonality
- 正交设计orthogonal design
- 正交矩阵orthogonal matrix
- 正交耦合cross coupling
- 正交弦latus rectum
- 正交表orthogonal layout
- 四重正交quadruply orthogonal
- 安德森正交定理anderson orthogonality theorem
- 半正交semi-orthogonal
- 正交多项式orthogonal polynomial
- 正交化orthogonalization
