测量过程流体的折光率 refractive index
通过对20年前测量过的一些水准点和监测井的水准复测,证实扬州市城区确实有地面沉降的发生。
Relevelling the bench marks and monitoring Wells that surveyed 20year ago proves the ground subsidence in Yangzhou city.
现在知道测量过程中,不确定度的重要了吧?
Do you see now how important it is that you have uncertainties in your measurements?
另一种可能他们的实验有问题,但是富伦并没有参与测量过程,宁愿相信波尔团队的工作做的很好,没有出现这方面的问题。
Alternatively there is a problem with the experiment - but Flowers, who was not involved in the measurement, believes that Pohl's team has done an excellent job.
Well a calorie technically--and this is again, not something that we would ever quiz you on but I just thought you might be interested to know-- that it's the energy required to raise one gram of water one degree centigrade, and we'll talk in a minute about you might go about measuring that.
理论上一卡路里,我重复下,这不是考试内容,但我想你们会感兴趣,一卡路里,是将一克水提升1℃所需要的热量,过会儿我们会讲如何测量
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