中英互譯佛教詞典 中的 解釋:
(1) The three gates of liberation. 'Emptiness liberation,' 'no-aspects liberation,' and 'desireless liberation.' These are three kinds of meditative practices.
(2) In the Diamond Sutra 金剛經 these are Emptiness Liberation, Adamantine Liberation and Prajn~a^ Liberation (T vol. 9, 370a).