At last, discuss the problem of the study method for disaster.
最后,对此类灾害研究方法存在的问题进行了讨论。
The mainly problem of the study on the evaluation of human capital by the evaluation method of the compound real option is the experience study.
开展人力资本复合实物期权评价方法研究的主要困难在于缺乏必要的实证分析支撑环境。
Almost seventy percent of the workers in the study had a new or worsened breathing problem.
在这项研究中,近70%的工作人员有新的或恶化的呼吸问题。
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