be in direct proportion to的用法和樣例：
例句
用作連詞 (conj.)
- Incoherent detectors are those in which a current or voltage is generated in direct proportion to the amount of received power.
非相干的探測器產生正比於被接收功率的電流或電壓。 - The information content is then proportional to the bandwidth of the imposed variation.
此時信息容量正比於所載入的變化的帶寬。
