您要查找的是不是:
- Keywords total expenditure for public health;population age distribution;Johansen and Juselius cointegration test;error correction model; 卫生总费用;老龄化;协整检验;向量误差修正模型;
- It is therefore essential to know the age distribution in the population. 所以,了解在该种群中的年龄组配状况是很重要的。
- population age distribution 人口年龄分布
- What is the overall age distribution of employees? 员工的总体年龄分布是怎样的?
- According to the 1998 national census, the age distribution of the Hisayama population was almost identical to that of total Japanese population. 根据1998年的全国人口普查,久山镇人口的年龄分布几乎与整个日本人口相同。
- For slow replacement the age distribution function assumed is unimportant. 对缓慢置换,假设的时龄分布函数变得不重要。
- Their numbers could skyrocket as the U.S. population ages. 另外,这项技术还可应用于无人驾驶车辆等军事领域。
- A STUDY ON THE AGE DISTRIBUTION EXPONENTIAL MODEL OF CEREBROVASCULAR DISEASE MORTALITY. 脑血管病死亡率年龄分布指数模型拟合研究。
- Along with the increase of population age and the increase of diabetes popularied tendency, the occurent rate of diabetes foot goes up year by year. 随着人口年龄的增加及糖尿病流行趋势的增加,糖尿病足的发生率逐年上升。
- The age distribution of patients is related to the type of leukemia,except CML. 2. 结果简单摘要如下:1.;白血病之种类;在年龄分布上;可能具有特异性。
- These problems include the high sex ratio and the growing population aging. 例如出生人口性别比偏高、人口老龄化等。
- Objective To determine the shift of the age distribution of meningococcal disease caused by serogroup C. 摘要目的研究C群流行性脑脊髓膜炎病例年龄分布特征。
- An endowment system will be established to meet the trend of population aging. 建立适应老龄化发展趋势的养老保障体系。
- Conclusion The children's amblyopic types. age distribution and dioptric state was remarkable clinically significance. 结论儿童弱视的类型、年龄分布及屈光状态之间的关系差异有显著意义。
- This study deals with age determination and age distribution of muskrat populations. 利用新疆等地区的597号麝鼠头骨标本和其它材料,研究种群年龄组成。
- Problems existed in the Antarctic krill age determination were introduced and the methods used in the krill population age structure analysis were reviewed. 本文对国际上有关南极磷虾(Euphausiasuperba)的寿命和年龄鉴定研究的现状、研究过程中所存在的困难和问题进行了分析和探讨,对各种不同的磷虾年龄鉴定方法的特点和存在的问题进行了评述
- Both groups were similar in age distribution and in proportions of patients receiving monotherapy versus polytherapy. 两组患者的年龄层分布和接受单项治疗与多项治疗的比例上相似。
- Based on the theory of demology, the types of population age structure are divided according to the different proportions of elderly population and young population. 按人口学理论,人口年龄结构的类型是依据老年人口或未成年人口在人口中的不同比例来划分的。人口年龄结构类型分为年轻型、成年型和老年型。
- Other programs are designed to help measure prey selectivity, age distribution, survival, and species richness. 还有一些用于测量捕食选择性、年龄分布、物种丰度的程序。
- America's public pension scheme is shuffling towards insolvency as the population ages. 随着人口的老龄化,美国民众的养老金计划进展迟缓甚至频临破产。