精确的

1. 有人曾谈论到几个不同的统计数字，但只有这个才是惟一精确的。
   Some different statistics have been bandied about, but these are the only accurate ones.
2. 他打字是很精确的。
   He is accurate in his typing.
3. 计算机是一种快速、精确的符号加工系统，它能接收、存储、处理数据并产生输出结果。
   A computer is a fast and accurate symbol processing system. It can accept, store, process data and produce output results.
4. 精确的天平
   An accurate scale.

精确的英语翻译：