accurate description

例句：

1. 1. The measurements were accurate to within a few centimeters.
   测量准确到几厘米之内。
2. 2. The scientist used an accurate scale to weigh the samples.
   科学家使用一个精确的秤来称量样品。
3. 3.The engineer was asked to provide an accurate estimate of the project timeline.
   工程师被要求提供一个准确的项目时间线估计。