换而言之，在离线备份期间，不允许用户访问数据库。

In other words, users are not allowed to access the database during an offline backup.

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以实验数据为基础，运用回归分析的方法，建立了换热管热工指标与空气流速之间的特性方程。

Based on the experimental data, some characteristic equations representing the relationship between thermotechnical index and air velocity were worked out by regression method.

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根据实验数据拟合出液膜破断临界热流密度经验公式，同时还拟合出正常液膜和接近破断临界时的液膜的换热系数综合关系式。

Empirical formulae for the critical heat flux of the film breakdown and heat transfer correlations for normal and subnormal films are obtained by fitting the test data.

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In other words there was not enough data on these things, in other words, with other conventional mortgages, you have data covering peace and war, prosperity and depression and so forth and you can follow these data back for decades.

换句话说,关于这些新增贷款没有足够数据，换种说法，和其他传统贷款相比，你有和平和战争时期的数据，有市场繁荣和萧条时的数据等等,你可以追述这些数据。

斯坦福公开课 - 经济学课程节选