zhè ge / lěi jiā qì / de / chū shǐ zhí / bì xū / shè / wéi / líng / fǒu zé / jié guǒ / huì / chū cuò

这个累加器的初始值必须设为零，否则结果会出错。

The initial value of this accumulator must be set to zero, otherwise the result will be wrong.