短語(yǔ)詞組短語(yǔ)imaginary y circle 虛圓imaginary axis circle 虛圖imaginary tangent circle 假想切圓imaginary axis circle at infinity 無(wú)窮遠(yuǎn)虛圓imaginary circle at infinity 無(wú)窮遠(yuǎn)虛圓;虛球圓imaginary circle point 虛圓點(diǎn)imaginary circle diagram 虛數(shù)圓圖 返回 imaginary circle