per-word error probability

例句：

1. 1. The software engineers have to consider the per-word error probability when writing code.
   软件工程师在编写代码时必须考虑每字错误概率。
2. 2.The research team is studying the per-word error probability in machine translation.
   研究团队正在研究机器翻译中的每字错误概率。
3. 3.The accuracy of the spelling correction algorithm depends on the per-word error probability model.
   拼写校正算法的准确性取决于每字错误概率模型。