We need to make precise estimate beforehand.
我们需要事先作出准确的估计。
Without that, he declared, no precise estimate could be made of the risks of default in a pool of mortgages.
他宣称，没有数据，根本不能在抵押池中对违约风险做出精确评估。
The current paper employed polychoric correlation coefficient to analyze teaching evaluation data, which has been proved robust and will offer more precise estimate.
在分析教学评价这样的有序分类数据时，多分格相关被认为比传统皮尔逊相关给出的估计值更为可靠和准确。
The current paper employed polychoric correlation coefficient to analyze teaching evaluation data, which has been proved robust and will offer more precise estimate.
在分析教学评价这样的有序分类数据时，多分格相关被认为比传统皮尔逊相关给出的估计值更为可靠和准确。
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