介绍了大型水泵几种流量测定方法的基本原理，从准确性、实用性和经济性三个方面进行比较。
The basic principles of several discharge measuring methods for large sized pumps are introduced, and the results are compared from three aspects accuracy, practicability and economy.
把天气和风力预报的准确性的时间尺度从几个小时的提高到几天的。
Improve the accuracy of weather and wind forecasts on time scales from hours to days.
本文从架构师的角度对评估进行了说明，重点是实践提示和能够帮助您提高评估准确性的各种做法。
This article provides the architect's perspective on estimation, and the focus is on practical tips and practices that can help you improve estimation accuracy.
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