【中文版】

在佛教中，三类化身是指法、报、应三身。法身是佛陀的智慧显现，报身是佛陀的功德显现，而应身则是佛陀为了救度众生而变化的种种形象。

法身是佛陀的智慧之身，它是无形的，但却是真实的存在。法身不是存在于某个时空之中，而是存在于宇宙的每一个角落。它是佛陀的智慧和慈悲的体现，是所有众生内在本有的光明和真理。

报身是佛陀的功德之身，它是佛陀在取得无上正等正觉之后所感得的诸种殊胜功德的身。报身有形色、福报、智慧、神通等特征，它体现了佛陀的无量功德和神通变化。

应身是佛陀为了救度众生而变化的种种形象，它可以是佛陀的现世形象，也可以是其他形象，如菩萨、罗汉等。应身具有种种神通和变化，它能够深入到世间之中，救度一切有情众生。

在佛教中，三类化身的关系是相互依存、相互转化的。法身是报身和应身的根本和基础，报身和应身则是法身的体现和显现。只有法身、报身、应身相互融合、相互贯通，才能实现真正的解脱和涅槃。

【英文版】

In Buddhism, the three types of incarnations refer to the Three Bodies: the dharmakaya, the sambhogakaya, and the nirmanakaya. The dharmakaya is the wisdom body of the Buddha, sambhogakaya is the merit body, and nirmanakaya is the various images that the Buddha transforms into in order to save all sentient beings.

The dharmakaya is the wisdom body of the Buddha. It is invisible but truly exists. It is not in a particular space and time, but exists in every corner of the universe. It embodies the wisdom and compassion of the Buddha, and is the inner light and truth that all sentient beings possess.

The sambhogakaya is the meritorious body of the Buddha. It is the various excellent virtues that the Buddha feels after achieving perfect enlightenment. The sambhogakaya has features such as form and appearance, happiness, wisdom, and supernatural powers, which embody the Buddha's immeasurable meritorious deeds and miraculous changes.

The nirmanakaya is the various images that the Buddha transforms into in order to save all sentient beings. It can be the present image of the Buddha, or other images such as bodhisattvas, arhats, etc. The nirmanakaya has various supernatural powers and changes, which can reach into the world to save all sentient beings.

In Buddhism, the three types of incarnations depend on and transform each other. The dharmakaya, sambhogakaya, and nirmanakaya depend on each other and merge into one another to achieve true liberation and nirvana.