Do thorough stems and thorough roots mean the same thing?

"Thoroughly dry" means that the original gas of the five elements of the soil branch appears in the sky. For example, the following eight words are "A", "C", "E" and "B". "A", "C" and "Yin" are hidden in the earthly branch, "B" is hidden in the earthly branch, and "E" is hidden in the earthly branch.

"Tonggen" means that the heavenly stems are connected with the roots. For example, the word "Ding" appears in the eight-character heavenly stems, "noon", "health" or "emptiness" appears in the earthly branches, and the fire of "Ding" is hidden in the heavenly stems, which is called Tonggen.

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