At the same time, security right on ships includes mortgage of ships, maritime liens and possessory liens on ships. Each has its own characteristics too.
同时，船舶担保物权包括船舶抵押权、船舶优先权、船舶留置权三种，它们也各有各的特点。
2
Ship mortgage is also different from the ship preferred maritime lien and possessory lien.