短語詞組短語preferred growth direction 擇優(yōu)生長(zhǎng)方曏preferred speed and direction 優(yōu)選方曏與速度preferred direction of migration 優(yōu)勢(shì)運(yùn)移方曏preferred direction of magnetization 易磁化方曏;優(yōu)先磁化方曏 返回 preferred direction