1 sentence

1. 在进行数值计算时，我们需要截断小数点后的多余位数。

   zài jìn​xíng shù​zhí jì​suàn shí, wǒ​men xū​yào jié​duàn xiǎo​shù​diǎn hòu de duō​yú wèi​shù.

   When performing numerical calculations, we need to truncate the extra decimal places.

   Source: Dong Chinese Dictionary