He stopped down the lens to a small aperture. 他把鏡頭光圈孔徑縮小。
The ACSL electrical-waveform generator consists of two striplines coupled through an aperture in their common ground plane. 一個電脈衝整形器由兩條通過其公共接地板上的耦合孔徑發生耦合作用的帶狀傳輸線所組成的四埠裝置。
He stopped down the lens to a small aperture. 他把鏡頭光圈孔徑縮小。
The ACSL electrical-waveform generator consists of two striplines coupled through an aperture in their common ground plane. 一個電脈衝整形器由兩條通過其公共接地板上的耦合孔徑發生耦合作用的帶狀傳輸線所組成的四埠裝置。
