您要查找的是不是：
- 雙PWM交-直-交變換器PWM-VSI
- 雙PWM變換器dual PWM converters
- 雙pair
- 正交orthogonality
- 雙正交變換bi-orthogonal transform
- 雙PWMdual-PWM
- 交單presentation
- 變換vary
- 單交single cross
- 雙擊double-click
- 新交new friend
- 交上hand in
- 雙PWM變頻dual - PWM frequency conversion
- 交作業hand in homework
- 雙語diglossia
- 援交enjo - kosai
- 交聯cross bonding
- 雙PWM控制Double PWM control
- 交線line of intersection
- 交學費pay the tuition fee; pay tuition
