估计样本 meaning in Chinese
sample estimates
Examples
- The graduated 200 < mu > l tips have a reference mark at 10 < mu > l so you can check pipettor calibration and visually estimate sample size
200微升刻度的吸头，在10微升处有基准标记，可检查移液器刻度和估计样本容量。 - In chapter 5 the distributed cfar detection is studied when lds are correlated . due to the correlation of local decisions is not known , empirical estimation is adopt to resolve this problem , the relationship of the training sample size and the estimated confidence is analyzed
对局部采用硬判决的情况，深入研究了传统的分析方法，利用经验估计解决了局部观测相关系数未知时存在的困难，分析了系统判决精度与估计样本数量的关系。 - Ttis paper sms the recen research results in the topic , maks a briefly descripon of the foral risks , then researthes on the mechanism to cause them , introduces way to assess the level of anancial risk . based on it , this paper finds out the main finaniai ratios to influeoce risk through survtw , and bulld the financial riskleve forecasting model by the method of two group ofdiscdrinate analysis . ih the research , 60 listed compedes are selected as our statstical analsis samples and cataloged into two groups , which has 30 samples , one is company which is no specially wdopn st ) the othe is on the cotw ( st )
本文对已有研究成果进行了总结回顾，接着从我国上市公司财务风险的现状分析入手，揭示了上市公司总体财务风险的水平，并从多方面具体分析了上市公司财务风险的成因，然后介绍了财务风险评估的几种常用方法；在此基础上，采用问卷调查法确定了财务风险预警指标体系后，选择沪深两市60家上市公司作为估计样本(其中30家为st公司， 30家为非st公司) ，运用两组判别分析法建立了上市公司财务风险预警模型，再选择了20家上市公司作为测试样本，来测试已建立模型的效果；对ykf公司的财务风险进行综合分析，其结论与运用建立的预警模型的测试结果相吻合，故对其发出了财务风险预警；最后，针对我国上市公司的实际情况，从完善公司治理机制、重塑社会信用体系等方面提出防范公司财务风险的对策和建议。