短語(yǔ)詞組短語(yǔ)vector magnetic potential 磁矢勢(shì);矢量磁位vector late potential positive 晚電位陽(yáng)性vector -potential 矢勢(shì)vector r potential field 矢位場(chǎng)vector r potential 矢量勢(shì)vector electric potential 矢量電位vector gravitational potential 矢量重力勢(shì)electro -magnet vector-potential a 電磁矢勢(shì)a 返回 vector potential