1·Unascertained normal subgroup is also studied.
并且研究了未确知正规子群。
2·The natural disaster in coal mine involves many unascertained factors.
矿井自然灾害的安全预评价涉及不确定因素众多。
3·On this basis, an unascertained model of air quality simulation is established.
在此基础上，应建立未确知空气质量模拟模型。
4·In the paper, I Study mathematical treatment method of unascertained information.
本文研究未确知信息的数学处理方法。
5·On this basis, an unascertained model of water quality simulation is established.
在此基础上，建立未确知水质模拟模型。
6·Unascertained mathematics is adopted to calculate the probability of risk based on the survey.
在专家问卷的基础上利用未确知数学理论对危险发生的概率进行估算。
7·Forecast method of unascertained clustering to predict mining induced surface subsidence is optimized.
对未确知聚类预测法进行优化，并将其应用于开采地面沉陷的预测研究。
8·Through correcting gross error by unascertained expectation, it maintained all the information of data.
通过求未确知期望值实现粗差修正，不会造成有效信息的丢失。
9·Structure resistance and effect are affected by lots of unascertained factors in structure reliability analysis.
在结构可靠性分析中，结构抗力和作用效应受许多未确知因素的影响。
10·The unascertained mathematical method is introduced and applied to analyzing and processing the data in physics experiment.
介绍未确知数学方法，并用未确知数学方法分析处理物理实验数据。