锅炉投产调试运行半年后的第一年，年利用小时不低于6500小时，以后年平均运行小时7900小时。

Annual utilization hours will not be less than 6500 hours in the first year after half a year of starting up and commissioning. Later on annual mean operation hours is 7900 hours.

youdao

况且，早就有报道说，这些设施的开工率严重不足，最近我们国家的发电机组平均运行小时数下降了超过10%。

In addition, for a while reports have said that these facilities are not being developed enough, the running hours of power generating units in our country recently fell by over 10% on average.

youdao

有史以来最为复杂的工程项目创造了一组巨大的相互连接的模块，其以每小时27000公里的速度绕地球运行。

The most complex engineering project ever attempted has created an enormous set of interlinked modules that orbits the planet at more than 27,000 kilometres per hour.

youdao

And so very often I would find myself with gigabytes worth of data, at night I needed to analyze this data and look for this patterns and frankly the reality was sometimes I could spend 10-15 minutes whipping up a little script, a little program that unfortunately would take eight hours or more to run.

我经常会发现十亿字节的数据,晚上我就需要分析这些数据并,找出模型，坦白说，有时,我会花10-15分钟来编写一个小脚本，一个小程序,但不幸的是，运行它可能需要8个小时或更多时间。

哈佛公开课 - 计算机科学课程节选