人口替换率是指：为使一个国家或某个区域在人口上出生与死亡达到某种相对的平衡而产生的一个比率：即每个妇女平均生小孩的个数，去扭转失调或保持平衡状态。参考资料：据自己的理解
2009. Urban public pension, replacement rates and population growth rate in China. Insurance: Mathematics and Economics 45 (2): 230-235.Yang Z., Urban public pension, replacement rates and population growth rate in China [ J ]. Insurance: Mathematics and Economics, 2009,45 (2) : 230 - ...
Iftherewerenoearlydeaths,thereplacementratewouldbe2.0(actually,fractionallyhigherbecausefewergirlsarebornthanboys). 若不存在早期死亡,生育等值替换率应为2.0(实际上要稍高一些,因为生育的女孩比男孩要少一些)。 ecocn.org 8. Replacementrate---Theleveloftotalfertilitythat iscompatiblewith astationarypopulation. 替...
replacement rate更新率;替换率 replacement of assets资产置换 replacement value重置价值 replacement同义词 n. 更换;复位;代替者;补充兵员 restoration,substitute replacement词源中文解释 "被替换的行为或事实",1790年来自 replace(v.)+ -ment。意思是"替换另一个东西的东西",可追溯至1894年。
网络释义 1. 替换层次生育率 环境生态学重点精简整理... ... 1.替换层次生育率(Replacement-level fertility) .2总生育率( Total fertility rate) ... tw.myblog.yahoo.com|基于16个网页 2. 生育替代水平 ...0%;40至44岁的妇女平均生育1.9个孩子,低于生育替代水平(replacement-level fertility),西语裔妇女...
re·place·ment 1 a :the act of replacing:the state of being replaced b :an insurer's option under a policy to replace or repair damaged property rather than pay the insured for the loss 2 :something that replaces specifically:a new fixed asset or portion of an asset that takes...
Total ankle replacement: a population-based study of 515 cases from the Finnish arthroplasty register. Acta Orthop. 2010;81(1):114–28. CentralSkytta ET, Koivu H, Eskelinen A, Ikavalko M, Paavolainen P, Remes V. Total ankle replacement: a population-based study of 515 cases from the ...
There was a 49% mortality rate at one year post-index ACS. Factors associated with mortality at one year included: atypical presentation (chi-square statistic (X2) 7.250; p=0.0071), troponin delta >20% (X2 5.682; p=0.0171), peak troponin (point biserial correlation; r=0.2086; p=0.0473...
Low complication rate of LISS for femur fractures adjacent to stable hip or knee arthroplasty. Fractures of the femur after a knee or hip arthroplasty historically have been plagued with high complication rates. The Less Invasive Stabilization System... RV O??Toole,R Gobezie,R Hwang,... - ...
We have reviewed the rate of revision of fully cemented, hybrid and uncemented primary total hip replacements (THRs) registered in the New Zealand Joint Re... GJ Hooper,AG Rothwell,M Stringer,... - 《Journal of Bone & Joint Surgery British Volume》 被引量: 176发表: 2009年 Comparison of...