Each UTF is reversible, thus every UTF supports lossless round tripping: mapping from any Unicode coded character sequence S to a sequence of bytes and back will produce S again.

• 每 UTF 是可逆, 如此每 UTF 支援无损失的回合绊倒的: 从任何的统一码映射编码对位元组和背面的序列个性序列 S 再一次将会生产 S。