原始遞歸函數 — yuán shǐ dì guī hán shù

1

yuán²

source, origin, beginning / to begin, to start; beginning / to deliver, to hand over; substitute / to return, to go back; to return to, to revert / correspondence; a case, a box / count, number, several

2

shǐ³

source, origin, beginning / to begin, to start; beginning / to deliver, to hand over; substitute / to return, to go back; to return to, to revert / correspondence; a case, a box / count, number, several

3

dì⁴

source, origin, beginning / to begin, to start; beginning / to deliver, to hand over; substitute / to return, to go back; to return to, to revert / correspondence; a case, a box / count, number, several

4

guī¹

source, origin, beginning / to begin, to start; beginning / to deliver, to hand over; substitute / to return, to go back; to return to, to revert / correspondence; a case, a box / count, number, several

5

hán²

source, origin, beginning / to begin, to start; beginning / to deliver, to hand over; substitute / to return, to go back; to return to, to revert / correspondence; a case, a box / count, number, several

6

shù⁴

source, origin, beginning / to begin, to start; beginning / to deliver, to hand over; substitute / to return, to go back; to return to, to revert / correspondence; a case, a box / count, number, several

As word