短語詞組短語rotational l invariance 旋轉(zhuǎn)不變性rotational invariance techniques 旋轉(zhuǎn)不變技術(shù)approximate rotational invariance relation 近似旋轉(zhuǎn)不變關(guān)系Quadric rotational invariance Property 二次旋轉(zhuǎn)不變性array rotational invariance techniques 陣列旋轉(zhuǎn)不變性 返回 rotational invariance